عطب

عَوْطَبٌ ذ A calamity, or misfortune: (As, O, K:) from العَطَبُ [inf. n. of عَطِبَ]. (As, TA.) ― -b2- And The main part, or fathomless deep, of the sea: (As, K:) likewise from العَطَبُ: (As, TA:) and so عَوْبَطٌ, (K in art. عبط,) formed by transposition: (TA ibid.:) or the deepest place in the sea: (IAar, O:) or a depressed part between two waves. (IAar, O, K.)