- (n.) A vegetable secretion of many trees or plants that hardens when it exudes, but is soluble in water; as, gum arabic; gum tragacanth; the gum of the cherry tree. Also, with less propriety, exudations that are not soluble in water; as, gum copal and gum sandarac, which are really resins.
- (n.) A hive made of a section of a hollow gum tree; hence, any roughly made hive; also, a vessel or bin made of a hollow log.
- (v.t.) To smear with gum; to close with gum; to unite or stiffen by gum or a gumlike substance; to make sticky with a gumlike substance.
- (n.) The dense tissues which invest the teeth, and cover the adjacent parts of the jaws.
- (n.) See Gum tree, below.
- (v.t.) To deepen and enlarge the spaces between the teeth of (a worn saw). See Gummer.
- (v.i.) To exude or from gum; to become gummy.
- (n.) A rubber overshoe.
- Alternative of copal.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). gum. Retrieved September 22, 2026, from http://smartdefine.org/gum/definitions/2014175 |
| Chicago | Webster's. 2011. "gum" http://smartdefine.org/gum/definitions/2014175 (accessed September 22, 2026). |
| Harvard | Webster's 2011, gum, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/gum/definitions/2014175>. |
| MLA | Webster's. "gum" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/gum/definitions/2014175> |