/ Dictionary / Index P Portuguese man-of-war: Meaning and Definition of Find definitions for: Por'tuguese man-of-war' Pronunciation: [key] any of several large, oceanic hydrozoans of the genus Physalia, having a large, bladderlike structure with a saillike crest by which they are buoyed up and from which dangle tentacles with stinging cells. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Portuguese India Portuguese water dog 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