/ Dictionary / Index W whoosis: Meaning and Definition of Find definitions for: whoo•sis Pronunciation: (h'zis), [key] — pl. -sis•es. an object or person whose name is not known or cannot be recalled: It's the whoosis next to the volume control. a person or thing considered typical or illustrative: the usual paragraph about the party given by Mme. Whoosis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. whoosh whoosy Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language