# semicircle

> English word · Noun · frequency rank #69,436

## Definitions
1. A half of a circle.
2. A surveyor's instrument for measuring angles; a graphometer.
3. An arc whose center is the penalty spot, extending from the top of the penalty area.

## Etymology
From semi- + circle.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/semicircle