From Longman Dictionary of Contemporary Englishgumgum1 /ɡʌm/●くろまる●くろまる●くろまるS3 noun1[countable usually plural]HBHHBA your gums are the two areas of firmpinkflesh at the top and bottom of your mouth, in which your teeth are fixed2[uncountable]DFchewing gum3[uncountable] British EnglishTD a type of glue used to stick light things such as paper together4[uncountable]TAF a stickysubstance found in the stems of some trees5[countable]HBP a gum tree6 →by gum!Examples from the Corpusgum• There, they surrenderedcigarettes, breath mints and gum, which might pick up radioactivity that could be ingested.• Somewhere between ginger, orange, peppermint and chewing gum.• VitaminC is also important for healthygums.• She was always laughing, and her gums were all pink and wet and shiny.• He champed on his gum in time to the music, and kept a poker-facedexpression.• The forests are mostly mixes of loblolly pine and sweetgum, with a holly and huckleberry understory.• The gum looks clear over them and they will soon be through.