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Definition of Nutgall
1. 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.
Definition of Nutgall
1. Noun. An enlarged growth on a tree formed in response to damage or parasite. Sometimes called just a gall. ¹
¹ Source: wiktionary.com
Definition of Nutgall
1. a gallnut [n -S] - See also: gallnut
Medical Definition of Nutgall
1. An excrescence on the oak, Quercus infectoria (family Fagaceae) and other species of Quercus, caused by the deposit of the ova of a fly, Cynips gallae tinctorae; an astringent and styptic, by virtue of the tannin it contains. Synonym: gall, galla, oak apple. (05 Mar 2000)