# testa

> English word · Noun · IPA /ˈtɛstə/ · frequency rank #53,297

## Definitions
1. A seed coat.
2. The external calciferous shell, or endoskeleton, of an echinoderm; the test.

## Etymology
Borrowed from Latin testa.

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