n. 1. The act of one that doubles; a making double; reduplication; also, that which is doubled. [ 1913 Webster ]
2. A turning and winding; as, the doubling of a hunted hare; shift; trick; artifice. Dryden. [ 1913 Webster ]
3. (Her.) The lining of the mantle borne about the shield or escutcheon. [ 1913 Webster ]
4. The process of redistilling spirits, to improve the strength and flavor. [ 1913 Webster ]
5. raising the stakes in a game, such as a card game or backgammon, by a factor of 2.
Syn. -- double. [ WordNet 1.5 ]
Doubling a cape,
promontory, etc. (Naut.), sailing around or passing beyond a cape, promontory, etc. [ 1913 Webster ]