de·mise 1 /di-'mīz/ vt de·mised, de·mis·ing: to convey (possession of property) by will or lease
the demised premises
demise 2 n [Anglo-French, from feminine past participle of demettre to convey by lease, from Old French, to put down, give up, renounce, from Latin demittere to let fall and dimittere to release]
1: the conveyance of property by will or lease: lease
2: the transmission of property by testate or intestate succession
3: charter of a boat in which the owner surrenders completely the possession, command, and navigation of the boat – called also bareboat charter;
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.