uterinePronunciation: /ˈjuːtərɪn, -ʌɪn/Definition of uterine adjective relating to the uterus or womb:uterine contractions [attributive] born of the same mother but not having the same father:a uterine sisterOrigin: late Middle English: from uterus + -ine1, or, in the sense 'born of the same mother', from late Latin uterinusuterine in other Oxford dictionaries Definition of uterine in the US English dictionary