Demicircle

/[dɛmɪˈsɜːkəɫ]/ noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A semicircle.
  2. 2
    An instrument for measuring angles in surveying etc., resembling a protractor with an alidade, sights, and compass.

Etymology

From demi- + circle. Compare French demi-cercle.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.