KNOCK, v.i. nok.
To knock under, to yield; to submit; to acknowledge to be conquered; an expression borrowed from the practice of knocking under the table, when conquered.
KNOCK, v.t. nok. To strike; to drive against; as, to knock the head against a post.
To knock down, to strike down; to fell; to prostrate by a blow or by blows; as, to knock down an ox.
To knock out, to force out by a blow or by blows; as, to knock out the brains.
To knock up, to arouse by knocking. In popular use, to beat out; to fatigue till unable to do more.
To knock off, to force off by beating. At auctions, to assign to a bidder by a blow on the counter.
To knock on the head, to kill by a blow or by blows.
KNOCK, n. nok. A blow; a stroke with something thick or heavy.