Tube

A hollow cylindrical shape

Synonyms

Pipe

Type of

Cylinder

(anatomy) any hollow cylindrical body structure

An electric railway operating below the surface of the ground (usually in a city)

Examples

In Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'

Conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases

Electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope

Convey in a tube

Derivation

Tubing

Examples

Inside Paris, they used to tube mail

Place or enclose in a tube

Provide with a tube or insert a tube into

Ride or float on an inflated tube

Type of

Ride

Examples

We tubed down the river on a hot summer day