FORETOP Meaning of FORETOP in English n. Naut. a platform at the top of a foremast (see TOP(1) n. 9). Phrases and idioms: foretop-gallant mast the mast above the fore-topmast. foretop-gallant-sail the sail above the fore-topsail. Oxford English vocab. Оксфордский английский словарь. 2012