In old English law. The contract of lease or letting; also the rent (or farm) reserved upon a lease of lands, which was frequently payable in provisions, but sometimes in money, in which latter case it was called “albo flrma,” white rent. A messuage, with the house and garden belonging thereto. Also provision for the table; a banquet; a tribute towards the entertainment of the king for one night. Firms, foodi. In old English law. A farm or lease of a fee; a fee-farm.
FIRMA
TheLaw.com Law Dictionary & Black's Law Dictionary 2nd Ed.