obtained from conifers (especially pines)
a preparation (usually made of sweetened chicle) for chewing
the tissue (covered by mucous membrane) of the jaws that surrounds the bases of the teeth
any of various trees of the genera Eucalyptus or Liquidambar or Nyssa that are sources of gum
any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying
cement consisting of a sticky substance that is used as an adhesive