1. (n.) The adult male of the red deer (Cervus elaphus), a large European species closely related to the American elk, or wapiti.

2. (n.) The male of certain other species of large deer.

3. (n.) A colt, or filly; also, a romping girl.

4. (n.) A castrated bull; -- called also bull stag, and bull seg.

5. (n.) An outside irregular dealer in stocks, who is not a member of the exchange.

6. (n.) One 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.

7. (n.) The European wren.

8. (v. i.) To act as a stag, or irregular dealer in stocks.

9. (v. t.) To watch; to dog, or keep track of.