Topmast

['tɒpmɑːst;-məst]

解释:

(noun.) the mast next above a lower mast and topmost in a fore-and-aft rig.

编辑:蒂姆--From WordNet

解释:

(n.) The second mast, or that which is next above the lower mast, and below the topgallant mast.

校对:潘西