chaser

noun

1. a person or thing that chases or hunts; pursuer
2. a gun formerly placed on the stern () or bow () of a ship, used during pursuit by or of another ship
3. ☆ a mild drink, as water, ginger ale, or beer, taken after or with whiskey, rum, etc.

noun

1. one that engraves or embosses metal
2. a tool for threading screws