Tetraspaston
Tet`ra*spas"ton\, n. [NL., fr. Gr. te`tra- (see Tetra-) + ? to draw, pull.] (Mach.) A machine in which four pulleys act together. --Brande & C.| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
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