Definition of out-of-round in English:

out-of-round

adjective

  • Of an object: not perfectly circular, cylindrical, or spherical.

noun

  • Mechanics. The quality of departing from being exactly circular in section, on the part of a cylindrical or circular manufactured object; specifically the extent of this.

Origin

Mid 18th century; earliest use found in John Desaguliers (1683–1744), natural philosopher and engineer. From out of + round.

Pronunciation

out-of-round

/ˌaʊtəvˈraʊnd/