خطب

6 تخاطبا تخاطب تخاطبا خاطب They two talked, spoke, conversed, or discoursed, each with the other; held a colloquy, dialogue, conversation, or discourse, each with the other. (TA.) [Hence, عُرْفُ التَّخَاطُبِ The generally-known, generally-received, or conventional, language of conversation. ]