FEOFFMENT, n. feff'ment. [Law L. feoffamentum.] The gift or grant of a fee or corporeal hereditament, as land, castles, honors, or other immovable thing; a grant in fee simple, to a man and his heirs forever. When in writing, it is called a deed of feoffment. The primary sense is the grant of a feud or an estate in trust. [See Feud.]