D defs.my
Entry 2 senses Webster, 1913

Mab

/(măb)/ · IPA /mˈæb/
01 prop. n. A slattern.
  1. 1.
    A slattern.[Prov. Eng.]
  2. 2.
    The name of a female fairy, esp. the queen of the fairies; and hence, sometimes, any fairy.[capitalized]