ETYM French dromadaire, Late Lat. dromedarius, from Latin dromas (sc. camelus), from Greek dromas running, from dramein, used as aor. of trechein to run; cf. Skr. dram to run.
/> The Arabian camel (Camelus dromedarius), having one hump or protuberance on the back, in distinction from the Bactrian camel, which has two humps.
Variety of Arabian camel. The dromedary or one-humped camel has been domesticated since 400 BC. During a long period without water, it can lose up to one-quarter of its body weight without ill effects.