Stag

n. [Icel. stegg'r, the male of several animals.]

1. The male red deer, Cervus elaphus; the male of the hind; a hart; — sometimes applied specially to a male red deer of the fifth year. See HART.
2. A colt or filly; also, a romping girl. [Prov. Eng.]
3. The male of the ox kind, castrated at such an age that he never gains the full size of a bull; a bull-stag; — called also, in some parts of England and Scotland, bull-segg.
4. (Com.) (a.) An outside irregular dealer in stocks, not a member of the exchange. (b.) One who takes shares under fictitious names in new projects, with a view to sell immediately at a premium, and not to hold the stock. [Cant.] Wright.