A number of different things are called "gum":

• Gums, or gingiva, the soft tissue partly covering teeth

• Chewing gum, a type of confectionery
  • Bubble gum
  • Functional gum
  • Gum base
  • Gum industry

• Vegetable gums, natural gums:
  • Guar gum
  • Gum arabic
  • Xanthan gum

• Postage stamp gum

• Gum Springs, Arkansas, a town

• Trees:
  • Gum tree (Eucalyptus; Australia and cultivated in other warm areas)
  • Black gum (Tupelo, Nyssa; eastern North America)
  • Sweet-gum (Liquidambar; eastern North America and Asia)
  • Log gum

• Astronomy:
  • Gum (crater), on the Moon
  • Gum Nebula, an emission nebula
  • Colin Stanley Gum (1924-1960), Australian astronomer

See also: GUM