conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases | the aperture of a wind instrument into which the player blows directly |
an electric railway operating below the surface of the ground (usually in a city) | the tube of a pipe or cigarette holder that a smoker holds in the mouth |
electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope | an acoustic device; the part of a telephone into which a person speaks |
(anatomy) any hollow cylindrical body structure | (especially boxing) equipment that protects an athlete's mouth |
a hollow cylindrical shape | a part that goes over or into the mouth of a person |
| a spokesperson (as a lawyer) |