/ Dictionary / Index M Mira: Meaning and Definition of Find definitions for: Mi•ra Pronunciation: (mī'ru), [key] — n. the first long-period pulsating variable star to be discovered, with a period averaging 331 days. It is a red giant and a component of a binary star in the constellation Cetus. a female given name. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mir* Mirabeau Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language