GUM
Meaning of GUM in English
n.
Function: transitive verb
Inflected Form: gummed ; gum · ming
Date: 1777
1 : to enlarge gullets of (a saw)
2 : to chew with the gums
Merriam Webster Collegiate English Dictionary.
Merriam Webster - Энциклопедический словарь английского языка.
2012