Synonym of younger sister

The sister of one's spouse. / The wife of one's sibling. / The wife of the sibling of one's spouse. / The sister of the spouse of one's sibling.

A female sibling sharing a single parent.

(India) The jungle babbler, Turdoides striata, habitually flocking in extended family groups.

(business) A group of seven oil companies that dominated the global petroleum industry from the mid-1940s to the 1970s.

plural of sister-wife

A woman who is simultaneously sister and wife to her husband. / In a polygamous marriage, a woman who is simultaneously the sister and co-wife of another. / A co-wife in general.

(genetics) Either of the two chromatids of a replicated chromosome.

(nautical) A ship built to the same design and dimensions as another or belongs to the same owners as another.

A foreign city with which a city has a declared relationship of cordiality.