رُبٌّ

Rob, or inspissated juice, (دِبْس,) of any fruit; i. e., (M, TA,) the first, or clear, juice of the thick residuum of any fruit after it has been pressed (M, K, TA) and cooked: (M, TA:) thick طِلَاء [or expressed juice; such as the inspissated juice of dates, with which a skin for clarified butter is seasoned; see 1, in the latter half of the paragraph]: (S:) or what flows from fresh ripe dates, like honey, when it has been cooked [and so rendered thick]; before which it is called صَقْرٌ: (Msb in the present article and in article صقر:) what is prepared by coction from, or of, dates: (TA:) expressed juice of grapes, and of apples, &c., cooked and [so] thickened: (KL:) and dregs, (K,) or black dregs, (IDrd, M,) of clarified butter, (IDrd, M, K,) and of olive-oil: (IDrd, M:) plural رُبُوبٌ and رِبَابٌ (S) [and plural plural (i. e. plural of رُبُوبٌ) رُبُوبَاتٌ, which means sorts, or species, of رُبّ]