Definitions of topgallant
  1. noun
    a sail set on a yard of a topgallant mast
    synonyms: topgallant sail
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    type of:
    canvas, canvass, sail, sheet
    a large piece of fabric (usually canvas fabric) by means of which wind is used to propel a sailing vessel
  2. noun
    a mast fixed to the head of a topmast on a square-rigged vessel
    synonyms: topgallant mast
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    type of:
    the mast next above a lower mast and topmost in a fore-and-aft rig
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