/ Dictionary / Index P Pitch Lake: Meaning and Definition of Find definitions for: Pitch' Lake' Pronunciation: [key] a deposit of natural asphalt in SW Trinidad, West Indies. 114 acres. (47 hectares). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pitching rotation pitch line Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language