1. one half of a circle
  2. half the circumference of a circle
anything having the shape or form of half a circle

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for half-circle

Contemporary Examples of half-circle

Historical Examples of half-circle

  • The company rose with her, and stood in a half-circle before the fire.

    The Manxman

    Hall Caine

  • He wagged his head and the long black sword made a half-circle.

  • The seven girls seated around him in a half-circle on the grass giggled.

    Pagan Passions

    Gordon Randall Garrett

  • He arranged the articles in a half-circle about him when he sat down on a mat.

  • Mrs. Gillis, Landy and Davy joined to complete the half-circle.

    David Lannarck, Midget

    George S. Harney