FLASH n.
A reservoir and sluiceway beside a navigable stream, just above a shoal, so that the stream may pour in water as boats pass, and thus bear them over the shoal. Flash wheel (Mech.), a paddle wheel made to revolve in a breast or curved water way, by which water is lifted from the lower to the higher level.…
HYDROMETER n.
ly constructed, used for measuring the velocity or discharge of water, as in rivers, from reservoirs, etc., and called by various specific names according to its construction or use, as tachometer, rheometer, hydrometer, pendulum, etc.; a current gauge.
LAMP n.
rner, the part of a lamp where the wick is exposed and ignited. Knight. -- Lamp fount, a reservoir for oil, in a lamp. -- Lamp jack. See 2d Jack, n., 4 (l) & (n). -- Lamp shade, a screen, as of paper, glass, or tin, for softening or obstructing the light of a lamp. -- Lamp shell (Zoöl.), any brachiopod shell of the…
MAIN n.
, as distinguished from lesser ones; esp. (Engin.), a principal pipe leading to or from a reservoir; as, a fire main. Forcing main, the delivery pipe of a pump. -- For the main, or In the main, for the most part; in the greatest part. -- With might and main, or With all one's might and main, with all one's strength;…