\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}.]

\Tromp\, Trompe \Trompe\, n. [See {Trump} a trumpet.]
A trumpet; a trump. [Obs.] --Chaucer.