Persian gum noun3 •The gum resin of the wild almonds Prunus scoparia and/or P. lycioides.The author attempted to name it Persian gum, representing its origin the Persia or Iran, as the competitor of the very well-known "gum Arabic", the exudate of acacia trees... — 2017 •Synonym of sarcocolla, the gum resin of the milkvetches Astragalus sarcocolla and/or A. fasciculifolius. •Any of the plants producing such resins. formsPersian gums