- any phalanger of the genus Pseudocheirus, having the prehensile tail curled into a ring.
- cacomistle.
- a narrow studdingsail set abaft a gaff sail, especially a spanker, upon spears extending beyond the gaff and boom.
- Also called: ring-tailed cat another name for cacomistle
- any of several possums having curling prehensile tails used to grasp branches while climbing
