a small, round tumor, formed around wasp eggs laid in the branches of a pin oak tree, that disrupts the flow of nutrients to the tree, with consequent defoliation and death. Also called oak gall .
HORNED OAK GALL
Meaning of HORNED OAK GALL in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012