Ma'anar ƙamus na kalmar "biparous" ita ce "haihuwar zuriya biyu a lokaci guda, ko kuma haifuwa biyu a lokacin haihuwa." Yawanci ana amfani da kalmar ne dangane da wasu nau'ikan dabbobi, kamar wasu nau'ikan nau'ikan dabbobin dabba ko wasu nau'ikan kadangaru, wadanda ke iya samar da zuriyar 'ya'ya biyu lokaci guda.
