عقد

عَقَدٌ ذ [as an inf. n.: see 1, last four sentences. ― -b2- Also] A twisting in the tail of a sheep or goat, as though it were knotted, or tied in a knot. (L.) And A twisting, or a knottiness, in the horn of a hegoat. (L.) ― -b3- And A canker, corrosion, rottenness, or blackness, (syn. قَادِحٌ,) in teeth. (L.) ― -b4- See also the next paragraph. -A2- And see عَقَدَانٌ.