# semiangle

> English word · Noun

## Definitions
1. an angle of half a given size
2. The angle formed between the axis of a cone and a line drawn from the apex of the cone to the edge of its base.

## Etymology
From semi- + angle.

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