fore-and-aft topsail is a noun meaning "a triangular fore-and-aft sail with its foot along the gaff and its luff on the topmast". It carries one recorded sense.
a triangular fore-and-aft sail with its foot along the gaff and its luff on the topmast
Definitions, synonyms and semantic relations for fore-and-aft topsail come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.