Entry 1 sense Webster, 1913 Cursores /(k?r-s?"rEz)/ · Cur·so·res · IPA 01 n. pl. An order of running birds including the ostrich, emu, and allies; the Ratitaæ. 1. An order of running birds including the ostrich, emu, and allies; the Ratitaæ.(Zool.)