Definition of royal mast in English:

royal mast


  • A section of a sailing ship's mast above the topgallant.

    • ‘Most big square riggers also have a royal above the topgallant sail, rigged on the royal mast, that is usually not a separate spar but just a lengthened topgallant mast.’
    spar, boom, yard, gaff, foremast, mainmast, topmast, mizzenmast, mizzen
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