WordWeb Online

1. The act of demitting; also, a letter, certificate, or the like, certifying that a person has (honourably) demitted, as from a Masonic lodge

1. To yield or submit; to humble; to lower; as, to demit one's self to humble duties
    
2. To lay down or relinquish an office, membership, authority, or the like; to resign, as from a Masonic lodge; - generally used with an implication that the act is voluntary

Derived forms: demitting, demitted, demits