from the GNU version of the Collaborative International Dictionary of English
- adj. So tight as to retain, or not to admit, water; not leaky.
from The Century Dictionary and Cyclopedia
- So tight as to resist the passage of water; impenetrable by water.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. not allowing water to pass in or out
- adj. without flaws or loopholes
Sorry, no etymologies found.
Primarily, ethanol transport systems have to be water-tight since ethanol can absorb a great deal of water, greatly degrading its quality.
A: The noise could be coming from roof seals meant to provide a solid air- and water-tight fit between the panels that unfold to form the car's hard top.
You can get most of the materials pretty easily online, and the sawing of holes and screwing on of water-tight bezels should be a piece of cake to any seasoned DIYer.
For the equipment too heavy to move, the company tried to build a water-tight room within the building, but the flood walls at the Hi-Tech Industrial Estate in Ayutthaya collapsed.
"The water-tight room was only partially successful, but we were able to slow the water coming and use pumps to pump it out," Hana Chief Executive Richard Han told The Wall Street Journal on Wednesday.
From his mouth he took a water-tight arrangement of a matchbox composed of two empty rifle-cartridges fitted snugly together.
I followed his progress through the water glass, which is merely an oblong box a couple of feet long, open at the top, the bottom sealed water-tight with a sheet of ordinary glass.
 Muc-luc: a water-tight, Eskimo boot, made from walrus-hide and trimmed with fur.
The six-ounce, fist-sized digital camera comes with a water-tight housing and starts at $260 for a version that shoots the highest quality of high-definition video, called 1080p.
Yeah, we should allow some cops to potentially abuse the rights of others because hey, “nothing is water-tight.”