n.
1.conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
2.electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
3.a hollow cylindrical shape
4.(anatomy) any hollow cylindrical body structure
5.electric underground railway tube v.
1.provide with a tube or insert a tube into
2.convey in a tube
3.ride or float on an inflated tube
4.place or enclose in a tube
Idiom of the Day
on the rocks
to be in a state of difficulty, to be having problems (usually used for a relationship)
The man has been married for seven years but his relationship is now on the rocks.