Noun
The word is derived from uterus
Male sugar gliders have a bifurcated penis to correspond with the two uteri of females. citation The age of sexual maturity in sugar gliders varies slightly between the males and females. Source: Internet
Marsupials have two uteri, each of which connect to a lateral vagina and which both use a third, middle "vagina" which functions as the birth canal. Source: Internet
In many species with two uteri, only one is functional. Source: Internet