/ Dictionary / Index Y Ysbaddaden Chief-giant: Meaning and Definition of Find definitions for: Ys•ba•dda•den Chief-gi•ant Pronunciation: (is-ba-ad'n chēf'jī"unt), [key] — Welsh Legend. Welsh Legend. the father of Olwen. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Ysaye Yser Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language