Definition of pattern wheel in US English:

pattern wheel

noun

  • 1Weaving= pattern cylinder; (also) a revolving wheel in a warp knitting machine consisting of sectors of different radii which move the guide bar back and forth.

  • 2A circular plate in a clock having notches round the edge which determine the pattern of striking.

  • 3A toothed wheel which is rolled along a surface to mark out a pattern of dotted lines.

Origin

Mid 19th century; earliest use found in Scientific American.