gum

(often in the plural) The flesh around the teeth.

To chew, especially of a toothless person or animal.

To deepen and enlarge the spaces between the teeth of (a worn saw), as with a gummer.

Any of various viscous or sticky substances that are exuded by certain plants.

Any viscous or sticky substance resembling those that are exuded by certain plants.

Chewing gum.

A single piece of chewing gum.

“Do you have a gum to spare?”

(often in the plural) A gummi candy.

A hive made of a section of a hollow gum tree; hence, any roughly made hive.

A vessel or bin made from a hollow log.

A rubber overshoe.

A gum tree.

(sometimes with up) To apply an adhesive or gum to; to make sticky by applying a sticky substance to.

To stiffen with glue or gum.

(sometimes with together) To inelegantly attach into a sequence.

(with up) To impair the functioning of a thing or process.

“That cheap oil will gum up the engine valves.”