Search Result for "dash-pot": 
Wordnet 3.0

NOUN (1)

1. a mechanical damper; the vibrating part is attached to a piston that moves in a chamber filled with liquid;


The Collaborative International Dictionary of English v.0.48:

dashpot \dash"pot`\, dash-pot \dash-pot\(d[a^]sh"p[o^]t`), n. (Mach.) a mechanical damping device containing a piston that moves in a fluid-filled chamber to serve as a pneumatic or hydraulic cushion for a falling weight, as in the valve gear of a steam engine, to prevent shock. [1913 Webster + WordNet 1.5] Note: It consists of a chamber, containing air or a liquid, in which a piston (a), attached to the weight, falls freely until it enters a space (as below the openings, b) from which the air or liquid can escape but slowly (as through cock c), when its fall is gradually checked. [1913 Webster] Note: A cataract of an engine is sometimes called a dashpot. [1913 Webster]
The Collaborative International Dictionary of English v.0.48:

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. [1913 Webster] 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. [1913 Webster] 3. (Mach.) A kind of hydraulic brake for regulating the action of pumping engines and other machines; -- sometimes called dashpot. [1913 Webster]
WordNet (r) 3.0 (2006):

dash-pot n 1: a mechanical damper; the vibrating part is attached to a piston that moves in a chamber filled with liquid