topgallant

Noun
  1. A sail set on a yard of a topgallant mast (synset 104462063)
    is a 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
    same as: topgallant sail
  2. A mast fixed to the head of a topmast on a square-rigged vessel (synset 104461925)
    is a type of: topmast - the mast next above a lower mast and topmost in a fore-and-aft rig
    same as: topgallant mast

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