صدم

صِدَامٌ ذ , (S, K,) or ↓ صُدَامٌ, (M,) asserted by Az to be with damm, (TA,) or the latter is vulgar, (S,) not allowable, (K,) though agreeable with analogy, (S, K,) being like صُدَاعٌ and زُكَامٌ and دُوَارٌ and other terms for diseases, (TA,) A certain disease in the heads of horses or similar beasts: (S, M, K:) or, accord. to ISh, a certain disease that attacks camels, in consequence of which their bellies become affected with acidity, and they relinquish the water, though thirsty, for some days, until they recover or die. (TA.)