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.