Member of Semitic people: A member of a Semitic Arabic-speaking people who live throughout North Africa and the Middle East. (Arap)
Useful information: Arab, Arabic, Arabian
Arab denotes a person, and is also used attributively (i.e. before a noun) as a kind of adjective ( the Arab people , Arab fears ). Arabian is an adjective referring to Arabia in geographical terms ( the Arabian peninsula , an Arabian camel ); and Arabic is a noun and adjective meaning the language ( She speaks Arabic and knows Arabic literature ). Arabic is written with a capital initial letter in Arabic numerals (1, 2, 3, etc.), and with a small initial letter in the term gum arabic , a substance obtained from African acacia trees.