1. A native of arabia, or a member of the arabic race (now widely spread in asia and africa, and formerly in southern europe); an arabian, whether a civilized inhabitant of a city or a dweller in the desert, commonly known as a Bedawi (see bedouin) or nomadic Ishmaelite.
2. A neglected outcast of the streets, particularly an outcast boy or girl, often styled a street arab, in allusion to the wandering arabs.
3. of or pertaining to the arabs or to arabia; arabic; arabian: as, an arab steed.

1. a member of a semitic people originally from the arabian peninsula and surrounding territories who speaks arabic and who inhabits much of the middle east and northern africa
2. a spirited graceful and intelligent riding horse native to arabia