/ liː; NAmE / noun
1.
[ sing. ] the side or part of sth that provides shelter from the wind
—compare leeward , windward
2.
lees [ pl. ] the substance that is left at the bottom of a bottle of wine, a container of beer, etc.
SYN dregs
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WORD ORIGIN
Old English hlēo , hlēow shelter , of Germanic origin; probably related to luke- in lukewarm .