society > leisure > the arts > music > musical sound > sound of instruments > sound [verb (intransitive)] > organ wailing (3)
intransitive. Of inanimate agents, esp. the wind or a storm: to make a prolonged wailing noise. Of an organ: to cipher.
intransitive. Of an organ: To sound any note continuously without pressure on the corresponding key. See cipher, n. 7.
Of an organ: To give forth a hollow wailing sound like the howl of a wolf, from deficient wind-supply.