/ Dictionary / Index P pelvic girdle: Meaning and Definition of Find definitions for: pel'vic gir'dle Pronunciation: [key] (in vertebrates) a bony or cartilaginous arch supporting the hind limbs or analogous parts. (in humans) the arch formed by the ilium, ischium, and pubis. See illus. underAlso called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pelvic fin pelvic inflammatory disease 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