arab

Short definition from Wiktionary

Noun

1. 1
   billion (sense 1); 1,000,000,000; or with Indian digit grouping, 1,00,00,00,000.
2. 2
   A Semitic person, whose forebears were from the Arabian Peninsula.
3. 3
   An inhabitant of Arabia or the Arab world.
4. 4
   A member of an Arabic-speaking community.
5. 5
   An Arabian horse.
6. 6
   A street Arab.

Adjective

1. 1
   Of or pertaining to Arabs and their nations.

Proper noun

1. 1
   A city in Marshall County, Alabama, United States.
2. 2
   The Arabic language.