Entry 1 sense Webster, 1913 Nutgall · Nut·gall · IPA 01 n. A more or less round gall resembling a nut, esp. one of those produced on the oak and used in the arts. See Gall, Gallnut. 1. A more or less round gall resembling a nut, esp. one of those produced on the oak and used in the arts. See Gall, Gallnut. See: Gall, Gallnut