RhymeZone: macha definitions

Definitions of Macha:

name: A surname (common: 1 in 100000 families; popularity rank in the U.S.: #17675)

noun: (Irish mythology) The wife of Nemed. She died only twelve days after arriving in Ireland.
noun: Macha of the Tuatha Dé Danann who is the daughter of Ernmas and sister of Mórrígan.

(Definitions from Wiktionary)