قضب

المُقْتَضَبُ ذ A certain metre of verse, (M, O,) the thirteenth, (O,) consisting of فَاعِلَاتُ مُفْتَعِلُنْ, (M, O,) twice; (M;) originally مَفْعُولَاتُ مُسْتَفْعِلُنْ: so called as though it were the مُنْسَرِح with a foot, namely, مستفعلن, cut off. (O.) ― -b2- مُقْتَضَبٌ applied to verse, or poetry, and a writing, means (tropical:) Extemporized. (S, O.) ― -b3- And مُقْتَضَبٌ فِى عَمَلٍ means (tropical:) Untrained in a work; (A;) or tasked to do it before he can do it well. (IDrd, S.)