KNOCK v. 2 definitions
To strike for admittance; to rap upon, as a door. Master, knock the door hard. Shak. To knock down. (a) To strike down; to fell; to prostrate by a blow or by blows; as, to knock down an assailant. (b) To assign to a bidder at an auction, by a blow or knock; to knock off. -- To knock in the head, or on the head, to stu…
KNOCKER n.
ically, an instrument, or kind of hammer, fastened to a door, to be used in seeking for admittance. Shut, shut the door, good John ! fatigued, knocker; say I'm sick, I'm dead. Pope.