D defs.my
Entry 1 sense Webster, 1913

downwind

· down·wind · IPA /ˌdaʊnˈwɪnd/
01 adj. on the side or in the direction away from the direction from which the wind is blowing; in the direction toward which the wind is blowing; …
  1. 1.
    on the side or in the direction away from the direction from which the wind is blowing; in the direction toward which the wind is blowing; as, good hunters stay downwind of their prey. Opposite of upwind, and windward.