# dilator

> English word · Noun · frequency rank #99,180

## Definitions
1. Any nerve or muscle that causes part of the body to dilate.
2. Any drug that causes such dilation.
3. An instrument used to dilate an orifice or cavity.

## Etymology
From dilate + -or.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/dilator