royal mast

roy·al·mast

also roy·al mast R0328800 (roi′əl-măst′)n. Nautical The small section of mast immediately above the topgallant mast on a square-rigged sailing vessel.

roy′al mast′

n. a mast situated immediately above, and generally formed as a single spar with, a topgallant mast. [1785–95]

Thesaurus

Noun

1.

royal mast - topmast immediately above the topgallant masttopmast - the mast next above a lower mast and topmost in a fore-and-aft rig