Plain English Meaning
How the aircraft is positioned in the air right now -- whether the nose is pointing up, down, or level, and whether the wings are level or tilted to one side.
Full Definition
The orientation of an aircraft's axes relative to a fixed reference, usually the natural horizon. It describes the aircraft's pitch (nose up or down) and bank (wings level or tilted) at a given moment.
Context Anchor
Pilots encounter aircraft attitude when learning basic aircraft control, using the outside horizon, and reading an attitude indicator in the .