ventiduct (ventidukt)

[L. vent us, wind, + duct us, channel: see duct.] In arch., a pa age for wind or air; a subterraneous pa age or pipe for ventilating apartments. Gwilt. At the foot of the hill there are divers vents, out of which exceeding cold winds doe continually i ue, such as by vent educts from the vast caves above Padua they let the summer. Sandys , Travailes, p. 103. ventil (ven'til), n. [ ventulus , a breeze ( ventil are , ventilate): see ventilate . ] In musical wind-instruments, a valve, either ( a ) such as is described under valve , or (b) specifically, in organ - building , a shutter in a wind-trunk, whereby the wind may be admitted to or cut off from two or more stops at once. In some organs the use of many sections of the instruments may be thus controlled.by a single motion of a stop-knob or pedal.