Breadcrumb Home > Dictionary > Index W Willoughby: Meaning and Definition of Find definitions for: Wil•lough•by Pronunciation: (wil'u-bē), [key] — n. a city in NE Ohio, near Cleveland. 19,329. a male given name. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. will-o'-the-wisp willow ✖ Related Content Daily Word Quiz: guilloche Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language