Gum

n. resin; rubber; chewing gum; sticky substance used as a glue; fleshy tissue which covers the bones of the jaw and the lower portions of the teeth

v. cause to stick together using an adhesive; stop up, block up; chew using the gums

GUM may refer to one of the following. GUM, or State Universal Store, a large department store in Moscow ("GUM" being the Russian language abbreviation for "Gosudarstvennyj Universalnyj Magazin").The alpha-3-code for Guam according to ISO 3166-1The IATA code for Antonio B. Won Pat International Airport, Agana, GuamGenitourinary medicineThe Guide to the Expression of Uncertainty in Measurement, published by ISO in 1995, ISBN 92-67-10188-9.Glasgow University Magazine
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A number of different things are called "gum":Gums, or gingiva, the soft tissue partly covering teethChewing gum, a type of confectioneryBubble gumFunctional gumGum baseGum industryVegetable gums, natural gums:Guar gumGum arabicXanthan gumslimy gumPostage stamp gumGum Springs, Arkansas, a townTrees:Gum tree (Eucalyptus; Australia and cultivated in other warm areas)Black gum (Tupelo, Nyssa; eastern North America)Sweet-gum (Liquidambar; eastern North America and Asia)Log gum Astronomy:Gum (crater), on the MoonGum Nebula, an emission nebulaColin Stanley Gum (1924-1960), Australian astronomer and namesake of the nebula
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Gum 1. a mucilaginous excretion of various plants. 2. gingiva. guar gum a gum obtained from the ground endosperms of the leguminous tree Cyamopsis [more]Gum - Community and Resources

Noun
1. a preparation (usually made of sweetened chicle) for chewing
(synonym) chewing gum
(hypernym) sweet, confection, confectionery
(hyponym) gum ball
2. the tissue (covered by mucous membrane) of the jaws that surrounds the bases of the teeth
(synonym) gingiva
(hypernym) animal tissue
(part-holonym) mouth, oral cavity, oral fissure, rima oris
(derivation) mumble
3. any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying
(hypernym) exudate, exudation
(hyponym) sweet gum, liquidambar
4. cement consisting of a sticky substance that is used as an adhesive
(synonym) glue, mucilage
(hypernym) cement
(hyponym) animal glue
5. wood or lumber from any of various gum trees especially the sweet gum
(synonym) gumwood
(hypernym) wood
(hyponym) sweet gum, satin walnut, hazelwood, red gum
(substance-holonym) gum tree
6. any of various trees of the genera Eucalyptus or Liquidambar or Nyssa that are sources of gum
(synonym) gum tree
(hypernym) tree
(hyponym) liquidambar
(substance-meronym) gumwood
Verb
1. grind with the gums; chew without teeth and with great difficulty; "the old man had no teeth left and mumbled his food"
(synonym) mumble
(hypernym) chew, masticate, manducate, jaw
(derivation) gingiva
2. exude or form gum; "these trees gum in the Spring"
(hypernym) exude, exudate, transude, ooze out, ooze

n. eraser, thing which erases or rubs out

v. erase, rub off, totally remove