n. - 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.
n. - A knockabout performer or performance.
n. - A man hired on a sheep station to do odd jobs.
a. - Marked by knocking about or roughness.
a. - Of noisy and violent character.
a. - Characterized by, or suitable for, knocking about, or traveling or wandering hither and thither.
a. - That does odd jobs; -- said of a class of hands or laborers on a sheep station.