tubes

Noun

• 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
• a hollow cylindrical shape
• (anatomy) any hollow cylindrical body structure
• an electric railway operating below the surface of the ground (usually in a city)
• plural of tube
• The Internet.
• The inner workings of one's body.

Verb

• provide with a tube or insert a tube into
• convey in a tube
• ride or float on an inflated tube
• place or enclose in a tube
• third-person singular simple present indicative of tube

Synonyms

electron tube, metro, pipe, subway, subway system, thermionic tube, thermionic vacuum tube, thermionic valve, tube, tube-shaped structure, tubing, underground, vacuum tube