RhymeZone: mab definitions

Definitions of mab:

noun: (obsolete) A slattern.
verb: (obsolete) To dress untidily.
noun: (astronomy) A moon of Uranus
noun: A female given name, related to Maeve.
noun: Abbreviation of monoclonal antibody. [(medicine) A protein genetically engineered from a single clone of a B cell, especially one produced by fusion with a tumor cell and intended for use as a drug.]

(Definitions from Wiktionary)