If, on the other hand, 12th rib is fixed by quadratus lumborum and oblique muscles of anterior abdominal wall, the intercostal muscles (especially internal intercostal) lower the 1st to 11th ribs, as in expiration.
arrears Urdu meanings. We have 1 urdu meanings of word 'arrears' in our dictionary Ø§Ø±Ø¯Ù Ù¾ÙÚ¯ Ø§ÙÙ Ú©Û Ø°Ø±ÛØ¹Û Ø¢Ù¾ Ú©Ø³Û Ø¨Ú¾Û ÙÛØ¨ Ø³Ø§Ø¦Ù¹ Ù¾Ø± Ø§ÙÚ¯ÙØ´ ÙÙØ¸ Ú©Ø§ Ø§Ø±Ø¯Ù ÙØ·ÙØ¨ ÙØ¹ÙÙÙ Ú©Ø± Ø³Ú©ØªÛ ÛÛÚºÛ
Wiktionary(1.00 / 1 vote)Rate this definition: 1  arris(Noun) A sharp edge or ridge formed by the intersection of two curved surfaces. 2  arris(Noun) A ridge formed on the surface of flaked stone that results from the intersection of two or more flake removals. 3  arris(Noun) Buttocks.