/ Dictionary / Index F frilled lizard: Meaning and Definition of Find definitions for: frilled' liz'ard Pronunciation: [key] a medium-sized Australian lizard, Chlamydosaurus kingi, having a large, cloaklike flap of skin on the neck that stiffens during courtship or threat displays, forming a wide ruff. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. frill frilling Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language