Read the dictionary definition of gum. All definitions for this word.
1. the tissue (covered by mucous membrane) of the jaws that surrounds the bases of the teeth
2. a preparation (usually made of sweetened chicle) for chewing
3. any of various trees of the genera Eucalyptus or Liquidambar or Nyssa that are sources of gum
4. wood or lumber from any of various gum trees especially the sweet gum
5. cement consisting of a sticky substance that is used as an adhesive
6. any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying
7. exude or form gum
1. these trees gum in the Spring
8. become sticky
9. grind with the gums; chew without teeth and with great difficulty
1. the old man had no teeth left and mumbled his food
10. cover, fill, fix or smear with or as if with gum
1. if you gum the tape it is stronger