# caveola

> English word · Noun

## Definitions
1. A small (50–100 nanometer) invagination of the plasma membrane in many vertebrate cell types.

## Etymology
Learned borrowing from New Latin caveola, constructed from cavea (“hollow, cavity; cage”) + -ola (diminutive suffix). Doublet of jail, which is from Late Latin caveola, an earlier, natural formation of the same term. More at cave, cavum, cava and cage.

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