n. pl. uteri (-rī).n. The womb; that part of the female sexual passage to which a ripe ovum is conveyed from the ovary, and in which it is detained in gestation until the fetus is matured and expelled in parturition.n. In invertebrates, as Vermes, a special section of the oviduct, or sundry appendages of the oviduct, which subserve a uterine function. Gegenbaur, Comp. Anat. (trans.), p. 182. See cuts under germarium, Rhabdocœla, Cestoidea, and Nematoidea. In Fungi. See peridium.n. Same as hernia of the uterus.