plural of tube train

(rail transport, UK) A smaller-profile underground train which operates through the tube tunnels under London, which have a small cross section.

(music) An experimental musical instrument consisting of a corrugated plastic tube or hose, open at both ends and possibly wider at one end, played by swinging it in a circle.

(obsolete) A Sarcocystis parasite.

Synonym of Miescher's tube

Alternative form of you can't put the toothpaste back in the tube

Once something is said or done, it cannot be unsaid or undone.

(aviation, historical) A tube built into an aircraft allowing the crew to urinate while in flight.

A person who uses a hot tub

Alternative form of hot tubber