Definitionen
1.NounAn adult male deer, especially a red deer and especially one in high adulthood versus a young adult.
2.NounA young horse (colt or filly).
3.NounA male turkey: a turkeycock.
4.NounA romping girl; a tomboy.
5.NounAn improperly or late castrated bull or ram – also called a bull seg (see note under ox).
6.NounAn outside irregular dealer in stocks, who is not a member of the exchange.
7.NounOne who applies for the allotment of shares in new projects, with a view to sell immediately at a premium, and not to hold the stock.
8.NounAn unmarried man; a bachelor; a man not accompanying a woman at a social event."a stag dance; a stag party; a stag bar"
9.NounA social event for men held in honor of a groom on the eve of his wedding, attended by male friends of the groom; sometimes a fundraiser."The stag will be held in the hotel's ballroom."
10.NounAn informer.
11.NounGuard duty.
12.NounA stag beetle (family Lucanidae).
13.NounThe Eurasian wren, Troglodytes troglodytes.
14.VerbTo act as a "stag", an irregular dealer in stocks.
15.VerbTo watch; to dog, or keep track of.
16.AdverbOf a man, attending a formal social function without a date."My brother went stag to prom because he couldn't find a date."