正妻 (せいさい) Japanese meaning | KotomoraMeanings
1
noun
legal wife; lawful wife
Refers to a wife recognized by law or formal marriage, as opposed to a mistress or common-law partner.
2
noun
first wife (in polygamy)
Used in contexts of polygamy to distinguish the primary wife from secondary wives or concubines.
歴史ドラマでは、正妻と側室の争いがよく描かれる。
Historical dramas often depict conflicts between the first wife and concubines.