
• (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. • (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.
Found on
http://thinkexist.com/dictionary/meaning/nutgall/

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) ...
Found on
http://www.encyclo.co.uk/local/20973
Nut'gall` noun 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 .
Found on
http://www.encyclo.co.uk/webster/N/42

Type: Term Pronunciation: nŭt′gahl Definitions: 1. An excrescence on Quercus infectoria (family Fagaceae) and sometimes other species of Quercus (oak), caused by the deposit of the ova of a fly, Cynips gallae tinctorae; an astringent and styptic because of the tannin it contains. Synonyms: gall3, galla, oak apple
Found on
http://www.medilexicon.com/medicaldictionary.php?t=61905

a nutlike gall or excrescence, esp. one formed on an oak.
Found on
https://www.infoplease.com/dictionary/nutgall
No exact match found.