ضج

ضِجَاجٌ ذ A certain gum which is eaten (O, K, TA) in its moist state: when it has become dry, it is pounded, then formed into lumps, and made potent with potash, and one washed with it the garment, or piece of cloth, which it cleanses like soap. (O, TA.) And The fruit of a certain plant; or a gum; with which women wash their heads: written by IDrd with fet-h [i. e. ↓ ضَجَاجٌ], but by AHn with kesr. (TA.) ― -b2- And (as AHn says in one place, O, TA) Any tree with which birds, or beasts of prey, are poisoned. (O, K, TA.)