1.bicornuous - having two horns or horn-shaped parts; "a bicornuate uterus"bicorn, bicornate, bicorned, bicornuatehorned - having a horn or horns or hornlike parts or horns of a particular kind; "horned viper"; "great horned owl"; "the unicorn--a mythical horned beast"; "long-horned cattle"
bicornuous - having two horns or horn-shaped parts; "a bicornuate uterus"