Meaning

noun an arm of a sea or ocean partly enclosed by land; larger than a bay

noun an unbridgeable disparity (as from a failure of understanding)

noun a deep wide chasm

originFrom Middle English gulf, goulf, golf, from Old French golf, from Italian golfo, from Late Latin colfos, from Ancient Greek κόλπος (kólpos, “bosom, gulf”), of obscure origin, but possibly from Proto-Indo-European *kʷelp- (“to curve, arch”).

Etymology from Wiktionary, CC BY-SA 3.0