Two or more in-laws; parents-in-law, siblings-in-law, and other relatives by marriage; may refer to groups related to one another by marriage.(noun)
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Use "affines" in a sentence
"¶ Our auctour also in a great worke that he hath made vpon Rhetorike/declareth the handelynge of a theme symple by the same example of Iustice/addynge two pla [-] ces mo/whiche are called affines and con - traries on this maner."
"Tum alias affines quasftiones vlde apud Brand* pluries citat.traBat. cap."
"The girl's female kin (including affines) are present."