Dictionary entry

Rap (2)

Webster's Dictionary 1913

Rap, v. i. [imp. & p. p.Rapped (răpt); p. pr. & vb. n.Rapping.] [Akin to Sw. rappa to strike, rapp stroke, Dan. rap, perhaps of imitative origin.] To strike with a quick, sharp blow; to knock; as, to rap on the door.