Dictionary Check: gum

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 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

wood or lumber from any of various gum trees especially the sweet gum

any of various trees of the genera Eucalyptus or Liquidambar or Nyssa that are sources of gum