Definition of gum noun from the Oxford Advanced Learner's Dictionary

     

    gum

     noun
    noun
    BrE BrE//ɡʌm//
     
    ; NAmE NAmE//ɡʌm//
     
    Mouth and teeth
     
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  1. 1 [countable, usually plural] either of the firm areas of flesh in the mouth to which the teeth are attached gum disease See related entries: Mouth and teeth
  2. 2[uncountable] a sticky substance produced by some types of tree
  3. 3[uncountable] a type of glue used for sticking light things together, such as paper
  4. 4[uncountable] = chewing gum
  5. 5 [countable] a firm transparent fruit-flavoured sweet/candy that you chew fruit gums
  6. Word Originnoun senses 2 to 5 Middle English: from Old French gomme, based on Latin gummi, from Greek kommi, from Egyptian kemai. noun sense 1 Old English gōma ‘inside of the mouth or throat’, of Germanic origin; related to German Gaumen ‘roof of the mouth’.Idioms (old-fashioned, informal) used to show surprise
See the Oxford Advanced American Dictionary entry: gum