Standard Lemma guide

airbrake

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

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A brake (slowing device) that is operated pneumatically (by air pressure).

Definition source: English Wiktionary via Wiktextract

Examples

  • The powerful airbrake of the truck quickly brought it to a stop.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A movable control surface that extends to increase drag without affecting lift (unlike a spoiler); a device that provides aerodynamic braking.

Definition source: English Wiktionary via Wiktextract

Topics: aeronautics, aerospace, aviation, business, engineering, natural-sciences, physical-sciences

Examples

  • The BAe 146 and Fokker 100's tailcone-mounted airbrakes allow them to slow down quickly for steep approaches without experiencing the lift degradation seen with spoiler-only aircraft.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a vehicular brake that operates by compressed air; especially for heavy vehicles

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: power brake

4

noun

Meaning 4

a small parachute or articulated flap to reduce the speed of an aircraft

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: dive brake

Antonyms: none provided

Broader terms: restraint, constraint

History

Etymology

From air + brake.

Across languages

Translations

11 source translations are retained for this English entry.

  • Finnish: paineilmajarru — pneumatic brake
  • German: Druckluftbremse — pneumatic brake
  • Greek: αερόφρενο (aerófreno) — pneumatic brake
  • Indonesian: rem angin — pneumatic brake
  • Indonesian: rem udara — pneumatic brake
  • Irish: aerchoscán — pneumatic brake
  • Malay: brek udara — pneumatic brake
  • Finnish: lentojarrut — aerodynamic brake
  • German: Luftbremse — aerodynamic brake
  • Greek: αερόφρενο (aerófreno) — aerodynamic brake
  • Irish: coscáin eitilte — aerodynamic brake