# tubercle

> English word · Noun · IPA /ˈt(j)uː.bə.kəl/ · frequency rank #76,415

## Definitions
1. A round nodule, small eminence, or warty outgrowth, especially those found on bones for the attachment of a muscle or ligament or small elevations on the surface of a tooth.
2. A small rounded wartlike protuberance of the roots of some leguminous plants; the lip of certain orchids, cacti.
3. A small rounded nodule forming the characteristic lesion of tuberculosis.

## Etymology
Derived from Latin tūberculum. Compare tuber.

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