Gummy

Gum"my (?), a. [Compar. Gummer (?); superl. Gummirst.] Consisting of gum; viscous; adhesive; producing or containing gum; covered with gum or a substance resembling gum.

Kindles the gummy bark of fir or pine.
Milton.

Then rubs his gummy eyes.
Dryden.

Gummy tumor (Med.), a gumma.