Dou"bling (?), n. 1. The act of one that doubles; a making double; reduplication; also, that which is doubled.

2. A turning and winding; as, the doubling of a hunted hare; shift; trick; artifice. Dryden.

3. (Her.) The lining of the mantle borne about the shield or escutcheon.

4. The process of redistilling spirits, to improve the strength and flavor.

Doubling a cape, promontory, etc. (Naut.), sailing around or passing beyond a cape, promontory, etc.