Meaning

noun ancient Celtic god

noun a sail with four corners that is hoisted from a yard that is oblique to the mast

noun a projecting piece that is used to lift or support or turn something

originFrom Middle English luggen, possibly from a Scandinavian/North Germanic source, (compare Swedish lugga, Norwegian lugge); also in English dialectal as lig (“to lug”). Noun is via Scots lugge, probably from Old Norse (compare Norwegian and Swedish lugg). Probably related to slug (“lazy, slow-moving”), which may be from similar source(s).

Etymology from Wiktionary, CC BY-SA 3.0