The common, harmless American water snake (Tropidonotus sipedon). See Illust. under Water Snake. →
n.
The European shad (Clupea alosa); -- called also allice shad or allis shad. The name is sometimes applied to the American shad (Clupea sapidissima). See Shad. →
An irrespirable gas, remaining after an explosion of fire damp in mines; choke damp. See Carbonic acid. →
a.
Moved by water passing beneath; -- said of a water wheel, and opposed to overshot; as, an undershot wheel. →
n.
A piece of timber laid horizontally, or nearly so, to which the planks of the floor, or the laths or furring strips of a ceiling, are nailed; -- called, according to its position or use, binding joist, bridging joist, ceiling joist, trimming joist, etc. See Illust. of Double-framed floor, under Double, a. →