upwind has definitions from the field of nautical
1
[ adverb ] in the direction opposite to the direction the wind is blowing

Examples

"they flew upwind"

Related terms

downwind

2
[ adverb ] (nautical) toward the wind

Synonyms

leeward

Examples

"they were sailing leeward"

Related terms

windward windward

3
[ adjective ] towards the side exposed to wind

Synonyms

weather

Related terms

windward

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