Ma'anar ƙamus na kalmar "zina" ita ce jima'i na son rai tsakanin mai aure da wanda ba mijin aure ba. Yawancin lokaci ana ɗaukarsa a matsayin cin zarafi na kwangilar aure kuma yawanci ana ɗaukarsa a matsayin ɗabi'a ko kuskure. A wasu al'adu da addinai, ana ɗaukar zina a matsayin babban laifi kuma ana iya hukunta shi ta hanyar doka ko kuma nuna kyama ga al'umma.
