/ Dictionary / Index J jasey: Meaning and Definition of Find definitions for: ja•sey Pronunciation: ( jā'zē), [key] — pl. -seys. a wig, esp. one made of worsted. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Jascha jasmine Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language