leeward

(noun) the direction in which the wind is blowing.

(noun) the side of something that is sheltered from the wind. Synonyms: lee, lee side.

(adj) on the side away from the wind. Synonyms: leeward (vs. windward). Example: "On the leeward side of the island."

(adv) toward the wind. Synonyms: upwind. Example: "They were sailing leeward."