from the GNU version of the Collaborative International Dictionary of English
- n. See under Tubulous. See Tube, n., 6, and 1st Flue.
- adj. a steam boiler composed chiefly of tubes containing water and surrounded by flame and hot gases; -- sometimes distinguished from tubular boiler.
from The Century Dictionary and Cyclopedia
- Same as water-tube boiler (which see, under water-tube).
Sorry, no etymologies found.