# identical twin

> English word · Noun

## Definitions
1. One of exactly two siblings produced from the splitting of a single zygote.

## Etymology
identical (“indistinguishable”) + twin (“sibling with whom one has shared the uterus of the mother”)

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