/ Dictionary / Index Y yucca moth: Meaning and Definition of Find definitions for: yuc'ca moth" Pronunciation: [key] any of several white moths of the genus Tegeticula that pollinate the yucca plant, the larvae of which develop in the ovary of the plant, consuming some of the seeds. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. yucca yuch Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language