mat

mat — noun

1. a flat piece of fabric, rubber, or other sturdy material placed on the floor, us

1.nounA2
Definition

a flat piece of fabric, rubber, or other sturdy material placed on the floor, used to protect the surface, wipe shoes, or provide a clean area to stand or sit on

Example

Erik wiped his shoes on the mat before entering the house.

collocation: wipe shoes on a mat

A thick bath mat sat beside the tub, ready for after the shower.

Common collocations
  • wipe your feet on the mat
  • bath mat
  • yoga mat
  • welcome mat
  • door mat
Synonyms
  • rug

    a rug is usually larger, decorative, and covers more floor space than a mat

2. a flat piece of cloth, paper, plastic, or cork placed on a table or other surfac

2.nounA2
Definition

a flat piece of cloth, paper, plastic, or cork placed on a table or other surface to protect it from heat, scratches, or spills

Example

Quinn put the hot kettle on a cork mat to protect the table.

purpose: protect surface from heat

Each place mat had a pattern of leaves and flowers.

compound: place mat

Common collocations
  • place mat
  • table mat
  • cork mat
  • paper mat
Synonyms
  • place mat

    specifically refers to the mat used at a dining table for each person's setting

  • coaster

    a smaller mat just for a single cup or glass

3. a thick padded surface used in gymnastics, wrestling, and other sports to give a

3.nounB1
Definition

a thick padded surface used in gymnastics, wrestling, and other sports to give a soft landing when people fall, jump, or exercise on it

Example

The gymnast landed safely on the thick mat after her backflip.

sports context: gymnastics landing

Joshua helped roll the wrestling mat across the gym floor.

Common collocations
  • yoga mat
  • wrestling mat
  • gym mat
  • exercise mat
  • landing mat
Synonyms
  • gym mat

    a more general term for any mat used in a gym setting

4. a dense, messy clump of soft material like hair, grass, or fur that has become t

4.nounB2
Definition

a dense, messy clump of soft material like hair, grass, or fur that has become twisted and pressed together

Example

A thick mat of dead grass covered the flowerbed after winter.

pattern: mat of [material]

The dog's fur had formed a painful mat behind its ears.

Common collocations
  • mat of hair
  • mat of grass
  • mat of leaves
  • dense mat
  • thick mat
Synonyms
  • tangle

    a tangle can be loose and easier to separate; a mat is pressed flat and dense

  • clump

    clump is less specific about the twisting — it just means a thick group stuck together

Grammar Patterns

mat + of + noun

Usage Note

Only sense that describes a natural tangled mass rather than a manufactured object. Typically followed by 'of' and a material noun such as hair, grass, fur, or leaves.

5. a treatment method that combines prescribed medicines, such as methadone or bupr

5.nounC1
Definition

a treatment method that combines prescribed medicines, such as methadone or buprenorphine, with counselling to help people recover from addiction to drugs like heroin or opioid painkillers

Example

The clinic offers MAT to people who want to stop using heroin.

acronym: MAT = Medication Assisted Treatment

Patients in the MAT programme receive both medicine and weekly therapy.

Common collocations
  • MAT programme
  • MAT clinic
  • MAT patient
  • receive MAT

Usage Note

Always written in capital letters as MAT. Primarily used in healthcare, social work, and public-policy contexts discussing addiction treatment.

6. a sheet of cardboard or thick paper placed inside a picture frame as a border be

6.nounB2
Definition

a sheet of cardboard or thick paper placed inside a picture frame as a border between the image and the frame itself

Example

The framer chose a white mat to make the watercolour stand out.

art context: picture framing

Élise replaced the old gold frame but kept the original cream-coloured mat.

Common collocations
  • picture mat
  • mat board
  • cut a mat
  • white mat
  • cream mat
Synonyms
  • mount

    mount is the standard term in British English for the same object

Usage Note

Common in art framing and photography. In British English also called a 'mount'. Not used for digital image borders.

7. a dull, non-shiny quality on the surface of an object, such as paint, paper, or

7.nounB1
Definition

a dull, non-shiny quality on the surface of an object, such as paint, paper, or photography, that does not reflect bright light

Example

Mauricio prefers a mat finish for bedroom walls to reduce eye glare.

collocation: mat finish

The printer can produce either a gloss or a mat surface on photo paper.

contrast: gloss vs mat

Common collocations
  • mat finish
  • mat paint
  • mat paper
  • mat surface
  • mat photograph
Synonyms
  • matte

    matte is the more common spelling for the adjective form and in product labels

Antonyms
  • gloss

    gloss describes a shiny, reflective surface — the opposite of mat

Usage Note

Used mainly in product descriptions for paint, paper, and photography. Compare with the adjective sense, which is used as a modifier before nouns (matte paint, matte finish).

Idioms

to argue or fight strongly in support of someone or something, refusing to give up

The lawyer went to the mat for her client and won the case.

Femi said he would go to the mat to protect the local park from developers.

to argue with someone forcefully or to confront them about something they have done wrong

The boss took the team to the mat over the missed deadline.

Meera took her landlord to the mat about the broken heater.

To strongly support or defend someone or something in a disagreement with another person.

Sara went to the mat for her colleague during the budget meeting.

Did Brian go to the mat with the manager over the new policy?

To engage in a serious argument or conflict with someone or about something.

The union took the company to the mat over unfair wages.

Maya decided to take the issue to the mat at the next board meeting.

mat — verb

mat — adjective

Word family

  • matted
    adjectiveB2
  • matting
    nounB2
  • matte
    adjectiveB1
  • matte
    nounB1

Synonym discussion

Sense: noun/1

Mat, rug, and carpet all refer to floor coverings, but they differ in size, function, and permanence. A mat is the smallest and most functional: you wipe your feet on a doormat, stand on a bath mat, or exercise on a yoga mat. A rug is a decorative floor covering that does not fill the entire room — it sits on top of the floor and is usually moved or replaced more easily. A carpet, by contrast, is fixed to the floor and covers most or all of the room. For example: 'Erik wiped his shoes on the mat at the door', 'A soft wool rug lay in the centre of the living room', and 'The entire hallway was covered in grey carpet.' Choosing the right word depends on whether the item is small and task-specific (mat), decorative and portable (rug), or permanent and room-sized (carpet).

Common collocations

Nouns

  • door mat
  • bath mat
  • yoga mat
  • table mat
  • place mat
  • welcome mat
  • exercise mat
  • wrestling mat

Phrases

  • wipe your feet on the mat
  • roll up the mat
  • lie on the mat

Prepositions

  • on a mat
  • off the mat
  • onto the mat

Etymology

SemiticLatinOld FrenchEnglish

The word 'mat' traces back through Old English 'matt(e)' to the Latin 'matta', which meant a flat piece of coarse woven material used as a floor covering. Latin borrowed it from an earlier Semitic source. The verb sense of becoming tangled or matted developed naturally: when fibres or hair get pressed and twisted, they form a dense, flat layer that resembles the woven texture of a floor mat. The adjective sense meaning 'not glossy' came much later, via French 'mat' (dull, deadened), which itself came from the Latin 'mattu-' meaning 'dull' or 'faint'. These two historical paths — one from floor coverings, one from surface finish — converged in English but come from different origins.