Against the wind; toward the direction from which the wind is blowing.(adverb)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "up-wind" in a sentence
"Either way - you should avoid putting your scent up-wind of the deer's expected path of travel."
"Guides: putting a loudmouth know-it-all in a run, and asking that person to cast up-wind into a 30 mph breeze with a double weighted nymph rig (humility training 101) ... naughty."
"At one point, the three whales came up on the up-wind side of the boat and spouted - exhaled actually."