Meaning of GUM in English

GUM

( 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.

Webster's Revised Unabridged English Dictionary.      Пересмотренный полный словарь английского языка Webster.