from The Century Dictionary and Cyclopedia
- n. In zoology, a name given to certain horny passages for air in the abdomen of some aquatic insects.
- n. Nautical, a small iron tube filled with water and hung in a coal-box in the coal-bunkers of a steamship as a means of ascertaining the temperature of the coal.
- n. The tube of an atmospheric railway, as the pneumatic tube (which see, under tube).
Sorry, no etymologies found.