1. (n.) The act or right of alienating lands to a corporation, which was considered formerly as transferring them to dead hands, or in mortmain.
2. (n.) The extinction of a debt, usually by means of a sinking fund; also, the money thus paid.
3. (n.) payment of an obligation in a series of installments or transfers
4. (n.) the reduction of the value of an asset by prorating its cost over a period of years