1. (

• chewing_gum ,
• gum

) a preparation (usually made of sweetened chicle) for chewing ;

2. (

• gingiva ,
• gum

) the tissue (covered by mucous membrane) of the jaws that surrounds the bases of the teeth ;

3. (

• gum

) any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying ;

4. (

• glue ,
• gum ,
• mucilage ,

) cement consisting of a sticky substance that is used as an adhesive ;

5. (

• gumwood ,
• gum ,

) wood or lumber from any of various gum trees especially the sweet gum ;

6. (

• gum_tree ,
• gum ,

) any of various trees of the genera Eucalyptus or Liquidambar or Nyssa that are sources of gum ;

1. (

• gum

) cover, fill, fix or smear with or as if with gum; "if you gum the tape it is stronger" ;

2. (

• mumble ,
• gum

) grind with the gums; chew without teeth and with great difficulty; "the old man had no teeth left and mumbled his food" ;

3. (

• gum

) become sticky ;

4. (

• gum

) exude or form gum; "these trees gum in the Spring" ;