noun, verb ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   A half of a circle.
2. 2
   a plane figure with the shape of half a circle wordnet
3. 3
   A surveyor's instrument for measuring angles; a graphometer.
4. 4
   An arc whose center is the penalty spot, extending from the top of the penalty area.

Verb

1. 1
   To travel or move around in a semicircle. ambitransitive

Synonyms

All synonyms

crescentcrescent moonfifty percentfifty-fiftygraphometerhalf

Example

More examples

"Mary placed the chairs in a semicircle."

Etymology

From semi- + circle.

Related phrases

begins semihalf roundtype semi

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