Noun:

1. a four-sided sail set beneath a horizontal yard suspended at the middle from a mast

squaren.正方形；广场；街区；平方；直角尺；<俚>古板的人adj.正方形的；规矩的；结实的；公正的；断然的v.一致；结清；收买；使 ... 成方形；使成平方；调整adv.成直角；直接的；正方形地square to与, 垂直于

1. Either vertical edge of a square sail.
   垂直帆缘横帆的任何一个垂直帆缘
2. Either end of a yard of a square sail.
   桁端横帆帆桅的任意一端