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gum

 
 
/gʌm/ noun

Definition

MOUTH [C] the hard, pink part inside your mouth that your teeth grow out of: [usually plural] Protect your teeth and gums by visiting your dentist regularly. gum disease
SWEET [U] (also chewing gum) a sweet substance that you chew (= bite repeatedly) but do not swallow: a stick of gum
STICKY [U] a sticky substance like glue, used for sticking papers together → See also bubble gum
(Definition of gum noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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