greenhouse
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
The glass of a plane's cockpit.
Register: dated, slang
Examples
In the slang of the Royal Air Force man, the cockpit of his plane is the ‘pulpit’ or ‘office’, the glass covering over it the ‘greenhouse’.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “greenhouse” mean?
The glass of a plane's cockpit.
Is “greenhouse” formal or informal?
greenhouse is generally dated, slang.