[ 'ri:α:l ]
(also riyal )
■ noun
1》 the basic monetary unit of Iran and Oman, equal to 100 dinars in Iran and 1,000 baiza in Oman.
2》 (usu. riyal ) the basic monetary unit of Saudi Arabia, Qatar, and Yemen, equal to 100 halala in Saudi Arabia, 100 dirhams in Qatar, and 100 fils in Yemen.
Origin
via Pers. from Arab. riyāl , from Sp. real 'royal'.