TROMP

tromp. Tromp, n. a blowing machine formed by a hollow tree, used in furnaces

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Tromp (?), n. [[F. trombe, trompe, a waterspout, a water-blowing machine. Cf. Trump a trumpet.]] A blowing apparatus, in which air, drawn into the upper part of a vertical tube through side holes by a stream of water within, is carried down with the water into a box or chamber below which it is led to a furnace. [Written also trompe, and trombe.]