1. At or toward which (the point whereat he was aiming).
2. As a result of which; whereupon (Pettrucione called Bickley a scurrilous name, whereat a fistfight broke out).
1. At or toward which (the point whereat he was aiming).
2. As a result of which; whereupon (Pettrucione called Bickley a scurrilous name, whereat a fistfight broke out).