From BiblePortal Wikipedia

Jami [1]

is a Turkish name for the temples in which worship is performed on Fridays (the worship itself bearing the name of Jema-namazi). it being unlawful to use the lesser temples (mosques) on that day. The first. Jami, called Selalyn (i.e. royal), being founded by a sultan, was built by Orkhan the Second, sultan of the Turks, who began his reign in 1326. Broughton, Eio. Hist. Sac. 1, 501.