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BNC: 7896 COCA: 5971

gum

1 of 4

noun (1)

: the tissue that surrounds the necks of teeth and covers the alveolar parts of the jaws
broadly : the alveolar portion of a jaw with its enveloping soft tissues

gum

2 of 4

verb (1)

gummed; gumming

transitive verb

1
: to enlarge gullets of (a saw)
2
: to chew with the gums

gum

3 of 4

noun (2)

1
a
: any of numerous colloidal polysaccharide substances of plant origin that are gelatinous when moist but harden on drying and are salts of complex organic acids compare mucilage sense 1
b
: any of various plant exudates (such as an oleoresin or gum resin)
2
: a substance or deposit resembling a plant gum (as in sticky or adhesive quality)
3
a
: a tree (such as a black gum) that yields gum
b
Australia : eucalyptus
4
: the wood or lumber of a gum
especially : that of the sweet gum
5

gum

4 of 4

verb (2)

gummed; gumming

transitive verb

: to clog, impede, or damage with or as if with gum
gum up the works

intransitive verb

1
: to exude or form gum
2
: to become gummy
gummer noun

Word History

Etymology

Noun (1)

Middle English gome, from Old English gōma palate; akin to Old High German guomo palate, and perhaps to Greek chaos abyss

Noun (2)

Middle English gomme, from Middle French, from Latin cummi, gummi, from Greek kommi, from Egyptian qmyt

First Known Use

Noun (1)

before the 12th century, in the meaning defined above

Verb (1)

1777, in the meaning defined at sense 1

Noun (2)

14th century, in the meaning defined at sense 1a

Verb (2)

1597, in the meaning defined at transitive sense

Time Traveler
The first known use of gum was before the 12th century

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