/ Dictionary / Index P pine mouse: Meaning and Definition of Find definitions for: pine' mouse" Pronunciation: [key] any of a widespread genus of voles, Pitymys, having small ears and a short tail; esp. the American forest-dwelling mouse P. pinetorum. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pine marten pinene Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language