# tortoise core

> English word · Noun

## Definitions
1. The core of a stone when it takes on a roughly domed shape as a result of knapping using the Levallois technique.

## Etymology
From the resemblance to a tortoise's shell.

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