مِطَرَّةٌ

, (O,) or مُطِرَّةٌ, or مُطَرَّةٌ, (according to different copies of the K,) with damm, (K,) [and according to the TK with fet-h to the ط,] Custom, habit, or wont: (O, K:) so says AZ: (O:) [the form given in the O seems to be preferable: but] F has also mentioned it as without teshdeed, [i. e. مَطِْرَةٌ,] and thus it is mentioned [in the K] in article مطر. (TA.)