# clothoid

> English word · Noun

## Definitions
1. A plane curve whose curvature at any point is proportional to distance along it.

## Etymology
From Ancient Greek κλώθω (klṓthō, “I spin”) + -oid.

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