the abnormal production of excessive gum in certain trees, esp fruit trees, as a result of wounding, infection, adverse weather conditions, severe pruning, etc
Word origin
C19: from New Latin; see gumma
gummosis in American English
(gʌˈmoʊsɪs)
noun
the giving off of gummy substances as a result of cell degeneration: a characteristic of certain plant diseases, esp. of stone fruits