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DEAF, DUMB, AND BLIND. A man born deaf, dumb, and blind, is considered an idiot. (q.v.) 1 Bl. Com. 304; F. N. B. 233; 2 Bouv. Inst. n. 2111.

DUMB. One who cannot speak; a person who is mute. See Deaf and dumb, Deaf, dumb, and blind; Mute, standing mute.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
(Smart kids can read the textbook, assuming it hasn't been dumbed down too much.) And they don't want to make students feel bad or bored - even if that means leaving a generation educationally crippled.
But, say the anti-traditionalists, such standards aren't necessarily dumbed down.