gum - definition in the American English Dictionary - Cambridge Dictionaries Online

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English definition of “gum”

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gum

noun  us   /ɡʌm/

gum noun (MOUTH)

[C usually pl] either of the two areas of firm, pink flesh inside the mouth that cover the bones to which the teeth are attached

gum noun (STICKY SUBSTANCE)

[U] a sticky substance obtained from the stems of some trees and plants that is used in industry and for sticking things together [U] Gum is also chewing gum : Most teachers dont allow their students to chew gum in class.
gum
verb  us   /ɡʌm/ (-mm-)
Nearly everything the old silverback eats gets boiled, steamed or soaked so he can gum it down.
(Definition of gum from the Cambridge Academic Content Dictionary © Cambridge University Press)
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