uro-¹

The tail or the tail part of the body.

Greek oura, tail.

The uropod (Greek pous, pod‑, foot) is the sixth and last pair of abdominal appendages of lobsters and related crustaceans, forming part of the tail fan; the uropygium (Greek pugē, rump) is the rump of a bird, supporting the tail feathers; a urostyle is a long bone at the base of the vertebral column in frogs and toads.