Definition
A transparent enclosure made of acrylic, polycarbonate, or laminated glass that covers the cockpit of an aircraft, providing the pilot with weather protection and outward visibility while sealing the cockpit from outside airflow.
Plain English
The clear cover over the cockpit that the pilot sits under. It keeps wind, rain, and noise out while letting the pilot see in all directions.
Context Anchor
Seen in cockpit checks before engine start, taxi, and takeoff, especially in airplanes with a clear cockpit cover instead of a separate door and windshield arrangement.
Derivation
From the Greek konopeion, meaning a couch with a mosquito net over it. The idea of an overhead protective cover carried into English, and aviation borrowed it for the clear cover that protects the pilot.
Why Pilots Care
An unlatched or improperly secured canopy can open in flight, causing loss of control, structural damage, or injury. Canopy condition and latching are checked before every flight.
Intuition Check
Do not assume canopy means a parachute here. In this cockpit context, it means the clear cover over the pilot and passengers.
Example Sentence 1
Before starting the engine, the pilot closed and latched the canopy, then verified the latch was fully engaged.
Example Sentence 2
A gust of wind caught the open canopy during taxi, so the pilot stopped to secure it properly.