# mother-in-law

> English word · Noun · IPA /ˈmʌ.ðəɹ.ɪnˌlɔː/

## Definitions
1. The mother of one's spouse.
2. A mother-in-law apartment.
3. A mother-in-law sandwich.
4. A stepmother.
5. A spicy Caribbean sauce made with peppers, carrots, onions, lime juice, etc.

## Etymology
From Middle English moder in lawe; equivalent to mother + -in-law.

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