Unless, of course, they meant the verb 'to wolve' meaning: to behave like a wolf. Or (and this one was new to me) "of a pipe organ : to produce a sound like the howl of a wolf (as from failure of air supply)", as in:
He had returned to his schoolboy's script, to distant Evensongs, to the wolving of the ancient chapel organ as the last light is extinguished and the door latched for the long night.All in all, a rather brilliant sentence, but unlikely to be what her teachers had in mind. I fear I shall have to make a nuisance of myself come Monday.
2006, Thomas Pynchon, Against the Day, Vintage 2007, p. 784
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