- Also called: topgallant mast
a mast on a square-rigger above a topmast or an extension of a topmast - Also called: topgallant sail
a sail set on a yard of a topgallant mast - (modifier)
of or relating to a topgallant
Collins Concise English Dictionary © HarperCollins Publishers::
'topgallant' also found in these entries (note: many are not synonyms or translations):