A solid disk or cylinder that fits inside a hollow cylinder, and moves under pressure (as in an engine) or displaces fluid (as in a pump)
A valve device in some brass instruments for changing the pitch
To move up and down or in and out like a piston.
To form a sausage-like shape, with a non-uniform cross section.
Penis.
A sausage-shaped thing.
A food made of ground meat (or meat substitute) and seasoning, packed in a section of the animal's intestine, or in a similarly cylindrical shaped synthetic casing; a length of this food.
A term of endearment.
A dachshund; sausage dog.