gum

noun

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

1. To chew, especially of a toothless person or animal.
2. To deepen and enlarge the spaces between the teeth of (a worn saw), as with a gummer.

1. Any of various viscous or sticky substances that are exuded by certain plants.
2. Any viscous or sticky substance resembling those that are exuded by certain plants.
3. Chewing gum.
4. A single piece of chewing gum.

   Do you have a gum to spare?

5. (often in the plural) A gummi candy.
6. A hive made of a section of a hollow gum tree; hence, any roughly made hive.
7. A vessel or bin made from a hollow log.
8. A rubber overshoe.
9. A gum tree.

1. (sometimes with up) To apply an adhesive or gum to; to make sticky by applying a sticky substance to.
2. To stiffen with glue or gum.
3. (sometimes with together) To inelegantly attach into a sequence.
4. (with up) To impair the functioning of a thing or process.

   That cheap oil will gum up the engine valves.