Bedeutung von “sister-in-law” im Essential American English Dictionary

sister-in-law

noun us /ˈsɪs·tər·ɪnˌlɔ/ plural sisters-in-law

the woman married to someone’s sibling, or the sister of someone’s husband or wife:

She and her sister-in-law are good friends.

(Definition von “sister-in-law” aus dem Webster's Essential Mini Dictionary © Cambridge University Press)