WARBLE

warble. Warble, v. to quaver a sound, shake, sing, purl

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War″ble (?), n. [[Cf. Wormil.]] 1. 1. (Far.) (a) A small, hard tumor which is produced on the back of a horse by the heat or pressure of the saddle in traveling. (b) A small tumor produced by the larvæ of the gadfly in the backs of horses, cattle, etc. Called also warblet, warbeetle, warnles.
2. 2. (Zoöl.) See Wormil.