عضمعَضْمٌ A winnowing-fork; i. e. the wooden implement (S, ISd, K) with prongs (ISd, K) with  which wheat is winnowed: (S, ISd, K:) and عَظْمٌ is a dial. var. thereof: (AHn, TA:) pl. أَعْضِمَةٌ and عُضْمٌ, [the former of pauc. and the latter of mult.,] (K, TA,) both anomalous; the true state of the case being that they formed from عَضْمٌ the pl. عِضَامٌ; and from this, أَعْضِمَةٌ and عُضُمٌ, [of which latter, عُضْمٌ is app. a contraction,] like أَمْثِلَةٌ and مُثُلٌ pls. of مِثَالٌ. (TA.) b2:  and The board, (S, K,) i. e. the broad board, (TA,) of the plough, at the head of which is the iron [or share] (S, K, TA) that cleaves the earth: and so عَظْمٌ, accord. to AHn. (TA.) b3:  And The handle, or part that is grasped by the hand, of a bow: (S, K:) and عَظْمٌ is a dial. var. thereof: (AHn, TA:) pl. عِضَامٌ. (K.) b4:  And The [part of the tail called] عَسِيب [q. v.], (S, K, TA,) or the عُكْوَة [or root of the tail where it is bare of hair, S in art. عكو], (TA,) of the camel, (S, TA,) or of the horse, (ISd, TA,) or of both: (K:) as also ↓ عِضَامٌ, (K,) of which عِصَامٌ is a dial. var.: (TA: [but see the latter:]) pl. أَعْضِمَةٌ (S, TA) and عُضُمٌ, [both, accord. to analogy, of the latter sing.,] the former of pauc. and the latter of mult. (TA.) b5:  And A line, or streak, in a mountain, differing from the rest in colour. (K, TA.) A2: Also Mountain goats. (K.) عِضَامٌ: see the preceding paragraph.عَضُومٌ, applied to a she-camel, Hard, or robust, (K, TA,) in her body; strong to journey. (TA.) عَيْضُومٌ Edacious; voracious; (Kr, K;) applied to a woman: (Kr, TA:) but عَيْصُومٌ is of higher authority [in this sense]. (TA.) b2:  and Having a habit of biting; syn. عَضُوضٌ. (K.)