Instead of being a simple cylinder, it's slightly tapered at the top to create a weighted base.

The simple cylinder seemed like gold polished to shine like silver.

This simple cylinder, usually made of clear plastic or glass, has inch measurements printed along its side.

The Lock was a simple cylinder which rose from the floor and merged seamlessly with the ceiling, a hundred yards above their heads.

It was a simple cylinder, with the fuel tanks inside refurbished and made habitable.

The bodies are lifeless, the skirts simple cylinders, and the poses stereotyped.

The Salyut space stations were simple cylinders about the size of a house trailer.

The ship was a simple cylinder, wider than any of our seven tank cars, but not much taller.

Buoys were intended as an alternative to a simple cylinder of concrete.

He didn't have anything against the human ships, which were usually either torpedo-shaped or simple cylinders.