IPA: /ˈʌpdræft/
KK: /ˈʌpˌdræft/
A movement of air that goes upward, often found in weather patterns and can affect flying objects.
The pilot adjusted the plane's altitude to take advantage of the updraft.
Updraft → It is formed from "up" (meaning in a higher position) and "draft" (from Old English "dræft", meaning a current of air). The word "updraft" refers to a current of air that moves upward.
Think of air moving 'up' — that's what 'updraft' means, a current of air going higher.