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Webster 1913 Edition

Adj.

[L.

gummosus

; cf. F.

gommeux

Gumlike, or composed of gum; gummy.

(Med.)

Of or pertaining to a gumma.

Adj.

Of the nature or quality of gum; viscous; adhesive.

gummous ‎(comparative more gummous, superlative most gummous)