/drom"i der'ee, drum"-/ , n. , pl. dromedaries .
the single-humped camel, Camelus dromedarius, of Arabia and northern Africa. Cf. Bactrian camel .
[ 1300-50; ME dromedarie, -ary ( dromedarius ( camelus ) dromad- (s. of dromás ) running + L -arius -ARY ]