(anatomy) Eustachian tube

(medicine) a device used to feed people who cannot eat or swallow, normally in the form of a tube passed through the nose or straight into the abdomen.

plural of tube shooter

(video games) A shoot 'em up game in which the player advances through a tube or tunnel while moving around its circumference.

(medicine) A kind of tube used for gastric lavage.

One of a number of tubes in a steam boiler through which heat, smoke and fumes from the firebox pass.

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.