/ Dictionary / Index P Portuguese water dog: Meaning and Definition of Find definitions for: Por'tuguese wa'ter dog" Pronunciation: [key] one of a breed of medium-sized dogs originally developed to assist Portuguese fishermen and having a profuse black or brown coat with or without white markings and webbed feet. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Portuguese man-of-war Portuguese West Africa Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language