/ Dictionary / Index W Wallasey: Meaning and Definition of Find definitions for: Wal•la•sey Pronunciation: (wol'u-sē), [key] — n. a city in Merseyside, in W England, on the Mersey estuary, opposite Liverpool. 97,061. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. wallaroo Walla Walla Related Content Daily Word Quiz: modify Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language