Standard Lemma guide

casque

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /kɑːsk/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • US: /kæsk/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -æsk
  • homophone: cask

1

noun

Meaning 1

A helmet.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A hard structure on the head of some birds, such as cassowaries, some hornbills and guineafowl, and some reptiles such as chameleons and basilisks.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Synonym of galea.

Definition source: English Wiktionary via Wiktextract

Topics: biology, botany, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: galea

Antonyms: none provided

4

noun

Meaning 4

(15-16th century) any armor for the head; usually ornate without a visor

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: helmet

Narrower terms: casquet, casquetel

History

Etymology

Borrowed from French casque. Doublet of casco and cask.

Across languages

Translations

9 source translations are retained for this English entry.

  • Chinese Mandarin: 盔 (kuī) — visorless helmet
  • Galician: casco — visorless helmet
  • German: Helm — visorless helmet
  • German: Helm ohne Visier — visorless helmet
  • Japanese: カスク (kasuku) — visorless helmet
  • Korean: 투구 (tugu) — visorless helmet
  • Polish: kask — visorless helmet
  • Russian: откры́тый шлем (otkrýtyj šlem) — visorless helmet
  • Polish: hełm — hard structure on the head of some birds, such as the hornbill or cassowary