كب

كُبٌّ ذ , [coll. gen. n., A plant or tree, of the kind called ] حَمْض; (K;) a kind of tree excellent for kindling, the leaves of which make the tails of horses beautiful and long; it has joints and thorns, and grows in fine, or soft, and plain soil: n. un. with ة: or, accord. to some, it is [ a plant, or tree, ] of the kind called نَجِيلُ الفَلَاةِ: but IAar says, among the [plants, or trees, called] حَمْض, are the نجيل and the كبّ. (TA.)