Synonym of 一夫一婦制 (ippuippusei, “monogamy”)

polygamy (the having of a plurality of socially bonded sexual partners at the same time)

mixed bathing (of men and women)

(of men and women) to bathe together

planting different types of plants together / (typography) typesetting different languages or fonts side-by-side

to plant different types of plants together / (typography) to typeset different languages or fonts side-by-side

(geology) ripple mark

student get-together

poverty, destitution / having great difficulty with, struggling, being in distress

to be poor, to be in need