Constantinople UK /ˌkɒn.stæn.tɪˈnəʊ.pəl/US /ˌkɑn.stæn.tɪˈnoʊ.pəl/ noun1 •(historical) The former name, from 330–1930 C.E., of Istanbul, the largest city in Turkey; the former capital of the Ottoman Empire and of the Byzantine Empire before that.
