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.
3. A man hired on a sheep station to do odd jobs.