gum

noun

1.
a preparation (usually made of sweetened chicle) for chewing
2.
the tissue (covered by mucous membrane) of the jaws that surrounds the bases of the teeth
Derived from:
gum
3.
any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying
Derived from:
gum
4.
cement consisting of a sticky substance that is used as an adhesive
Derived from:
gum gummy
5.
wood or lumber from any of various gum trees especially the sweet gum
6.
any of various trees of the genera Eucalyptus or Liquidambar or Nyssa that are sources of gum