طن

طَنِينٌ ذ an inf. n.: (MA, Msb: [see 1:]) [as a simple subst.,] The sound of flies [i. e. a humming, or buzzing ]: and of a basin of brass or other metal [i. e. a ringing, or tinkling ]: (S, K, TA:) and of the ear [i. e. a ringing, or tingling ]: and of a mountain: and of a hard thing [ of any kind ]: and ↓ طَنْطَنَةٌ has a similar meaning. (TA.)