n. A digitigrade carnivorous canine quadruped, Cants lupus, of the lupine or thoöid series of Canidæ; hence, some similar animal.n. A person noted for ravenousness, cruelty, cunning, or the like: used in opprobrium.n. In entomology:n. A small naked caterpillar, the larva of Tinea granella, the wolf-moth, which infests granaries.n. The larva of a bot-fly; a warble.n. A tuberculous excrescence which rapidly eats away the flesh. See lupus, 3.n. In music:n. The harsh discord heard in certain chords of keyboard-instruments, especially the organ, when tuned on some system of unequal temperament.n. A chord or interval in which such a discord appears.n. In instruments of the viol class, a discordant or false vibration in a string when stopped at a certain point, usually due to a defect in the structure or adjustment of the instrument. Sometimes called wolf-note.n. A wooden fence placed across a ditch in the corner of a field, to prevent cattle from straying into another field by means of the ditch.n. Same as willow.To hunt for wolves.To devour ravenously: as, to wolf down food.