Salim bin Abdullah (may Allah have mercy on him) said: Sayyiduna Umar (may Allah be pleased with him) had built a raised courtyard to one side of the mosque, called al-Butayha'. Whoever wanted to chatter, recite poetry or raise his voice would go to that place.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب آداب القاضي / 20266