crest

crest — noun

1. the uppermost line of a natural elevation — for example, a hilltop, a mountain p

1.nounB1
Definition

the uppermost line of a natural elevation — for example, a hilltop, a mountain peak, or a wave just before it breaks — where the climb ends and the descent starts

Example

The hikers reached the crest of the hill just before the sun went down.

collocation: crest of a hill

From the crest of the wave, the surfer could see the whole coastline spread out below.

collocation: crest of a wave

Common collocations
  • crest of a hill
  • crest of a wave
  • crest of a mountain
  • crest of the slope
Synonyms
  • peak

    suggests a sharper, more pointed top; used more for mountains than waves

  • summit

    more formal than crest; refers strictly to the very highest point of a mountain

  • ridge

    a long narrow top edge, while crest often implies a single highest line

Antonyms
  • base

    the bottom or lowest part of a hill or mountain

  • trough

    the lowest point between two waves

2. a tuft of feathers, a patch of fur, or a fleshy comb that stands upright on an a

2.nounB1
Definition

a tuft of feathers, a patch of fur, or a fleshy comb that stands upright on an animal's head and is often used to attract a mate or warn off rivals

Example

The male cardinal has a bright red crest that makes it easy to spot in the trees.

collocation: bright red crest

When the cockatoo feels threatened, it raises its yellow crest high in the air.

raises its crest (behaviour)

Common collocations
  • bright crest
  • red crest
  • yellow crest
  • raise its crest
  • crest of feathers
Synonyms
  • comb

    specifically the fleshy red crest on a rooster or hen's head

  • plume

    a single large feather or group of feathers, not necessarily on the head

Usage Note

Commonly used for birds such as parrots, cockatoos, and cardinals, and for chickens and roosters where it is also called a comb.

3. a distinctive design or emblem representing a particular family, school, town, o

3.nounB2
Definition

a distinctive design or emblem representing a particular family, school, town, or organisation, often with a long history and used on official items or buildings

Example

The family crest showed a golden lion holding a sword above a silver river.

Every official letter from the school carried its crest at the top of the page.

collocation: school crest

Common collocations
  • family crest
  • school crest
  • city crest
  • carved crest
  • display a crest
Synonyms
  • emblem

    a broader term for any symbolic design used by a group

  • coat of arms

    a full heraldic design including a shield, crest, and other elements

  • insignia

    a badge or symbol of rank, office, or membership

Usage Note

Frequently used in contexts of tradition and heritage; school and university crests are common in British-style education systems.

Common Mistakes

The company's crest is a red bird.
The company's logo is a red bird.
'crest' refers to a traditional heraldic design, not a modern corporate logo.

4. a decorative item, often using feathers, horsehair, or metal, mounted on a soldi

4.nounB2
Definition

a decorative item, often using feathers, horsehair, or metal, mounted on a soldier's helmet or hat as an identifying mark, especially in historical military dress

Example

The knight's crest was made of white feathers and fastened to the top of his steel helmet.

Each regiment had its own coloured crest on the front of the soldiers' hats.

collocation: coloured crest on a hat

Common collocations
  • feather crest
  • helmet crest
  • golden crest
  • horsehair crest
Synonyms
  • plume

    a single feather or set of feathers used as a helmet decoration

  • pompom

    a round fluffy decoration on some modern military hats, less formal than a crest

Usage Note

This sense is historical; modern military headgear rarely carries a visible crest of this type.

5. a narrow raised ridge on a bone or body part where muscles or tendons attach, pr

5.nounC1
Definition

a narrow raised ridge on a bone or body part where muscles or tendons attach, providing strength and support to the skeleton

Example

The doctor pointed to the crest of the patient's hip bone on the X-ray image.

Runners sometimes feel pain along the crest of the shin bone after long training sessions.

anatomical: crest of the shin bone

Common collocations
  • iliac crest
  • crest of the bone
  • bone crest
  • pelvic crest
Synonyms
  • ridge

    a more general term for any raised line on a bone

  • prominence

    a general medical term for any projecting part of a bone

Usage Note

Most commonly encountered in the term 'iliac crest' (the curved ridge of the pelvic bone). Other common anatomical crests include the 'sacral crest' and 'tibial crest.'

Idioms

A time when someone is very successful or happy.

After winning the championship, the team was on the crest of a wave.

Maya felt she was riding the crest of the wave after her promotion.

To enjoy great success or support because of a particular situation or event.

The company is riding the crest of the tech boom.

Diego rode the crest of his popularity to win the election.

crest — verb

Word family

  • crested
    adjectiveB2
  • crestless
    adjectiveC2

Synonym discussion

Sense: noun/1

Crest, peak, summit, and top all describe the highest part of something, but they are used in different contexts. Crest emphasises the top edge or line of a slope — it works well for waves and rolling hills, where the top is a curve rather than a single point. Peak suggests a sharp, pointed top, most naturally used for mountains and figuratively for the highest level of achievement or intensity (e.g., 'peak performance'). Summit is the most formal of the four, referring to the very highest point of a mountain and used metaphorically for high-level meetings ('summit talks'). Top is the simplest everyday word, suitable for any elevated point. Ridge describes a long, narrow top, not a single point. For example, you would say 'the crest of a wave' but not 'the peak of a wave'; you could say 'the summit of Mount Everest' or 'the top of the hill' but 'the crest of the hill' suggests the moment you reach the high point of a gentle slope, not a sharp peak.

Common collocations

Nouns

  • hill crest
  • wave crest
  • mountain crest
  • family crest
  • school crest
  • helmet crest

Prepositions

  • crest of
  • crested with
  • crested at

Etymology

LatinFrenchEnglish

The word 'crest' comes from the Latin 'crista,' meaning a tuft or plume — like the comb on a rooster's head. It passed into Old French as 'creste' and then into English around the 14th century. The original meaning was a bird's comb or a plume on a helmet, and over time the word expanded to describe the top of hills and waves and later heraldic designs representing families and organisations.