A small cetacean of the family Phocoenidae, related to dolphins and whales.
Any small dolphin.
Said of an air-breathing aquatic animal such as a porpoise or penguin: To repeatedly jump out of the water to take a breath and dive back in a continuous motion.
Said of an aircraft: to make a series of plunges when taking off or landing; or of a watercraft: to successively plunge up and down in the water.
The foreskin of certain animals (for example, dogs and horses).
The base of a leaf when sheathing or investing a branch or stem, as in grasses.
A holster for a sword; a scabbard.
A condom.
A tight-fitting dress.
Anything that has a similar shape to a scabbard that is used to hold an object that is longer than it is wide.
The insulating outer cover of an electrical cable.
One of the elytra of an insect.