/ Dictionary / Index Y Yellow Hats: Meaning and Definition of Find definitions for: Yel'low Hats" Pronunciation: [key] the sect of Tibetan Buddhist monks established after religious reforms in the 14th century. Also calledCf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. yellowhammer yellow-headed blackbird Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language