/ Dictionary / Index W whereat: Meaning and Definition of Find definitions for: where•at Pronunciation: (hwâr-at', wâr-), [key] — conj. a reception whereat many were present. at which:a reception whereat many were present. to which; whereupon:a remark whereat she quickly angered. —adv. in reference to which. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. whereas whereby Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language