whereat

conjunction

where·​at (h)wer-ˈat 

(ˌ)(h)wər-

1

: at or toward which

2

: in consequence of which : whereupon

Word History

First Known Use

14th century, in the meaning defined at sense 1

Kids Definition

whereat

conjunction

where·​at -ˈat 

1

: at or toward which

2

: as a result of which