brother-in-law

Word parts

brother + -in-law

Pronunciation

• (US) IPA ^(key): /ˈbrʌðɚ ɪn ˌlɔ/
• (Canada) IPA ^(key): /ˈbrʌðɚ ɪn ˌlɑ/
• (UK) IPA ^(key): /ˈbrʌðər ɪn ˌlɔː/

• Audio (US)

  (file)

Noun

Singular brother-in-law

Plural brothers-in-law or brother-in-laws

1. (countable) A person's brother-in-law is their spouse's brother.