2. (n.) The act of one that doubles; a making double; reduplication; also, that which is doubled.
3. (n.) A turning and winding; as, the doubling of a hunted hare; shift; trick; artifice.
4. (n.) The lining of the mantle borne about the shield or escutcheon.
5. (n.) The process of redistilling spirits, to improve the strength and flavor.