Speakur

Word Pronunciation & Dictionary

cooper vane

Word Rarity Rare

Frequency: Zipf frequency 2.98 in modern English

Syllables
coop-er -vane
IPA
17
Scrabble Score
10
Letters
3
Syllables
8
Unique Chars

Meaning

noun

A mechanical aerodynamic wedge that prevents the ventral airstair of an aircraft from being lowered during flight.

Etymology

After Dan Cooper, the false name used by an unidentified hijacker who used the rear stairway to exit a Boeing 727 in flight and escape using a parachute.

Inflected Forms

Cooper vanes (plural)

Questions

What does cooper vane mean?
A mechanical aerodynamic wedge that prevents the ventral airstair of an aircraft from being lowered during flight.
Where does cooper vane come from?
After Dan Cooper, the false name used by an unidentified hijacker who used the rear stairway to exit a Boeing 727 in flight and escape using a parachute.

How to pronounce cooper vane

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  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
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  4. Repeat and practice — Say “cooper vane” aloud, matching stress and vowels until it feels natural.