/ Dictionary / Index P pigeonite: Meaning and Definition of Find definitions for: pi•geon•ite Pronunciation: (pij'u-nīt"), [key] — n. Mineral. a monoclinic variety of pyroxene consisting mainly of a mixture of (MgFe)SiO and CaMg(SiO). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pigeonhole pigeon-livered 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