ding

Concise Oxford English Dictionary © 2008 Oxford University Press:
ding1

▶verb make a ringing sound.

Concise Oxford English Dictionary © 2008 Oxford University Press:
ding2

▶noun

• 1 N. Amer. informal a mark or dent on the bodywork of a car or other vehicle.

• 2 Scottish or dialect a blow on the head.

▶verb

• 1 informal, chiefly N. Amer. dent or hit.

• 2 (ding into) Scottish bump into.

– origin ME: prob. of Scand. origin.