American English

Definition of gum noun from the Oxford Advanced American Dictionary



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  1. 1(also chewing gum) [uncountable] a candy that you chew but do not swallow Please do not chew gum in class. see also bubblegum
  2. 2[countable, usually plural] either of the firm areas of flesh in the mouth to which the teeth are attached gum disease
  3. 3[uncountable] a sticky substance produced by some types of trees
  4. 4[uncountable] a type of glue used for sticking light things together, such as paper
  5. Idioms
    by gum! (old-fashioned) (informal)
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    used to show surprise
See the Oxford Advanced Learner's Dictionary entry: gum