foremast

详细解释:n. 前桅

英语解释：

名词 foremast:

the mast nearest the bow in vessels with two or more masts

例句：

A sailing ship with from three to five masts of which only the foremast is square-rigged, the others being fore-and-aft rigged.三桅船有三至五个桅杆且只有前部桅杆有横帆装置其余均有纵帆装置的帆船