top·gal·lant /(ˌ)tɑpˈgælənt, təˈgæ-/
 上桅,上桅帆(a.)上桅的,最高的,最佳的
 Top·gal·lant a.
 1. Naut. Situated above the topmast and below the royal mast; designatb, or pertaining to, the third spars in order from the deck; as, the topgallant mast, yards, braces, and the like. See Illustration of Ship.
 2. Fig.: Highest; elevated; splendid. “The consciences of topgallant sparks.”
 Topgallant breeze, a breeze in which the topgallant sails may properly be carried.
 Top·gal·lant, n.
 1. Naut. A topgallant mast or sail.
 2. Fig.: Anything elevated or splendid.
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 topgallant
      n 1: a sail set on a yard of a topgallant mast [syn: topgallant
           sail]
      2: a mast fixed to the head of a topmast on a square-rigged
         vessel [syn: topgallant mast]