taut

n. (Zool.) Same as Tautog. [ Webster 1913 Suppl. ]

a. [ Gr. &unr_;, for &unr_; &unr_; the same + &unr_; to speak. Cf. Allegory. ] Expressing the same thing with different words; -- opposed to allegorical. [ R. ] Coleridge. [ 1913 Webster ]

n. [ Gr. &unr_;, for &unr_; &unr_; the same + &unr_; time: cf. F. tautochrone. ] (Math.) A curved line, such that a heavy body, descending along it by the action of gravity, will always arrive at the lowest point in the same time, wherever in the curve it may begin to fall; as, an inverted cycloid with its base horizontal is a tautochrone. [ 1913 Webster ]

a. (Math.) Occupying the same time; pertaining to, or having the properties of, a tautochrone. [ 1913 Webster ]

n. [ The pl. of taut, the American Indian name, translated by Roger Williams sheep's heads, and written by him tautaúog. ] (Zool.) An edible labroid fish (Haitula onitis, or Tautoga onitis) of the Atlantic coast of the United States. When adult it is nearly black, more or less irregularly barred, with greenish gray. Called also blackfish, oyster fish, salt-water chub, and moll. [ Written also tautaug. ] [ 1913 Webster ]

a. Tautological. [ 1913 Webster ]

a. [ Cf. F. tautologique. ] Involving tautology; having the same signification; as, tautological expression. -- Tau`to*log"ic*al*ly, adv. [1913 Webster]

Tautological echo, an echo that repeats the same sound or syllable many times. [1913 Webster]

n. One who uses tautological words or phrases. [ 1913 Webster ]