Opening and closing of the jaws, act of grinding with the teeth, masticating, munching

1. A gum prepared for chewing; sweetened and flavored.
2. A preparation (usually made of sweetened chicle) for chewing; SYN. gum.
Gummy confectionery to be chewed not swallowed. It is composed mainly of chicle (milky juice of the tropical sapodilla tree Achras zapota of Central America), usually flavored with mint, sweetened, and pressed flat. The first patent was taken out in the US in 1871. Bubble gum is a variety that allows chewers to blow bubbles. chewing-gum