·noun A topgallant mast or sail.
II. Topgallant ·adj Fig.: Highest; elevated; splendid.
III. Topgallant ·noun Fig.: Anything elevated or splendid.
IV. Topgallant ·adj 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.