Hypertext Webster Gateway: "dashpot"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Cataract \Cat"a*ract\, n. [L. cataracta, catarracles, a
waterfall, Gr. ?, ?, fr. ? to break down; in the passive, to
fall or rush down (of tumors) to burst; kata` down + ? to
break.]
1. A great fall of water over a precipice; a large waterfall.
2. (Surg.) An opacity of the crystalline lens, or of its
capsule, which prevents the passage of the rays of light
and impairs or destroys the sight.
3. (Mach.) A kind of hydraulic brake for regulating the
action of pumping engines and other machines; -- sometimes
called {dashpot}.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Dashpot \Dash"pot`\, n. (Mach.)
A pneumatic or hydraulic cushion for a falling weight, as in
the valve gear of a steam engine, to prevent shock.
From WordNet (r) 1.7 (wn)
dash-pot
n : a mechanical damper; the vibrating part is attached to a
piston that moves in a chamber filled with liquid
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