单词	backwind
释义	backwind /ˌbakˈwɪnd / Sailing verb [with object] (Of a sail or vessel) deflect a flow of air into the back of (another sail or vessel).On the other hand, if the luff below the spreaders backwinds first then the leech has to be eased.... If the jib is up and overtrimmed, it can easily backwind the main and throw the boat off balance. On the other extreme, don't ease the traveler to leeward so much that the genoa backwinds the entire main. noun A flow of air deflected into the back of a sail.You will no doubt have backwind in the main and this is necessary to keep the boat balanced.... I wanted to show how the luff of our NS Main likes to just see some backwind or bubble in the luff. Downdrafts, updrafts, backwinds, and eddies are subtle, less easily observed factors that affect the scent trail.
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