/ Dictionary / Index P Pánuco: Meaning and Definition of Find definitions for: Pá•nu•co Pronunciation: (pä'nu-kō" Sp. pä'n&oomacr-kô"), [key] — n. a river in E central Mexico, flowing E to the Gulf of Mexico. ab. 315 mi. (505 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pantywaist Panurge Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language