D defs.my
Entry 1 sense Webster, 1913

Semicircular

/sĕmˌ-ēs-ẽrk'-yəl-ẽr/ · Sem·i·cir·cu·lar · IPA /sˌɛmiːsˈɜrkjələr/
01 a. Having the form of half of a circle.
  1. 1.
    Having the form of half of a circle.
Phrases & compounds
Semicircular canals — certain canals of the inner ear. See under Ear.