Definition
A climb is a flight maneuver in which the airplane gains altitude by using engine power and pitch attitude to produce a flightpath inclined upward relative to the horizon. The plural 'climbs' refers to this maneuver as one of the four fundamental flight maneuvers (along with straight-and-level flight, turns, and descents) from which all flying tasks are built.
Plain English
Climbs are the part of flying where the airplane goes up. Pilots learn climbs as one of the four basic flight maneuvers that every other flying skill is built on.
Context Anchor
Seen in basic flight training when learning the main airplane maneuvers: straight-and-level flight, turns, climbs, and descents.
Derivation
From Old English 'climban,' meaning to ascend or go upward by effort. The aviation use is the same idea — the airplane works its way upward against gravity using engine power and lift.
Why Pilots Care
Correct climb technique determines how quickly and safely the airplane reaches a safe altitude, avoids terrain or traffic, and respects engine and airframe limits.
Intuition Check
Do not think of climbs as simply pulling the nose up. In an airplane, climbs are controlled maneuvers that gain altitude while keeping speed and control within safe limits.
Example Sentence 1
On the first training flight, the instructor demonstrated straight-and-level flight, turns, climbs, and descents.
Example Sentence 2
During the cross-country portion the pilot performs a cruise climb to trade some rate of climb for higher groundspeed.