2. A stroke, as on a door for admittance; a rap. " A knock at the door." Longfellow. A loud cry or some great knock. Holland. Knock off, a device in a knitting machine to remove loops from the needles.

KNOCKABOUT
Knock"a*bout`, a.

1. Marked by knocking about or roughness.

2. Of noisy and violent character. [Theat. Slang]

3. Characterized by, or suitable for, knocking about, or traveling or wandering hither and thither.

4. That does odd jobs; — said of a class of hands or laborers on a sheep station. [Collog., Australia]

KNOCKABOUT
Knock"a*bout`, n.

1. (Naut.) A small yacht, generally from fifteen to twenty-five feet in length, having a mainsail and a jib. All knockabouts have ballast and either a keel or centerboard. The original type was twenty-one feet in length. The next larger type is called a raceabout.

2. A knockabout performer or performance. [Theat. Slang]

3. A man hired on a sheep station to do odd jobs. [Colloq., Australia]