( n. )
A movable piece of ivory, lead, or other material, connected with the bellows of an organ, that gives notice, by its position, when the wind is exhausted.
( n. )
A movable piece of ivory, lead, or other material, connected with the bellows of an organ, that gives notice, by its position, when the wind is exhausted.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012