TROCHLEA. One of the mechanical powers usually called a pulley.
TROCHOID, in mathematics. The same as cycloid.
TROCHOLIQUE, Fr. A name used among the French for that branch of mathematics which treats of circular movements.
TROMBE, Fr. A water-spout. It is likewise called Siphon or Syphon.
TROMPE, Fr. In architecture; an arch which grows wider towards the top.
Trompes, Fr. In artificial fireworks; a collection of pots à feu, or fire-pots so arranged, that upon the first being inflamed, a ready communication takes place with the rest, and the explosion is successively effected.
TROMPETTE, Fr. This word, which signifies trumpet, is applied by the French, not only to the instrument, but to the man who blows it; in the same manner that we say fifes and drums, for fifers and drummers; but we do not say trumpet for trumpeter. Trompette, when used in this sense, is of the masculine gender.
Trompette sonnante, Fr. With sound of trumpet, or trumpet sounding.
Trompette parlante, Fr. A speaking trumpet. This instrument is generally used at sea; and owes its invention to an Englishman.
Deloger sans TROMPETTE, Fr. To steal away, to take French leave.