1
- in a westward position or direction西（方）的; 向西的：
as adj. the westerly end of Sunset Boulevard日落大道的西端
as adv. our plan was to keep westerly.我们的计划是继续往西。
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- (of a wind) blowing from the west（风）从西面来的：
as adj. a stiff westerly breeze.从西面吹来的一股强风。
(常作westerlies)
1- a wind blowing from the west西风。
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westerlies
the belt of prevailing westerly winds in medium latitudes in the southern hemisphere（南半球中纬度地区的）西风带。
词源
late 15th cent.: from obsolete wester 'western' + -LY1.