at which: a reception whereat many were present.
to which; whereupon: a remark whereat she quickly angered.
Archaic. in reference to which.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use whereat in a sentence
whereat, he stepped to one side, and led upon the stage, a charming blonde who was greeted profusely.The Homesteader | Oscar Micheaux
Inspector Kerry brought his cane down with a crash upon the table, whereat Coombes started nervously.Dope | Sax Rohmer
He swung around forthwith in the trail and went after her—whereat she waddled faster through the snow like a frightened duck.Cabin Fever | B. M. Bower
Hughie tells me you have gone into the publishing business, whereat I was much shocked.The Works of Robert Louis Stevenson - Swanston Edition Vol. 25 (of 25) | Robert Louis Stevenson
whereat they all laughed, which made Fina cry, to be consoled only by some sweetmeats which Josephine found in her work-basket.
British Dictionary definitions for whereat
at or to which place
upon which occasion
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012