\Re`is\ (r?"?s or r?z), n. [Pg., pl. of real, an ancient Portuguese coin.] The word is used as a Portuguese designation of money of account, one hundred reis being about equal in value to eleven cents.
\Reis\ (r[imac]s), n. [Ar. ra["i]s head, chief, prince.] A common title in the East for a person in authority, especially the captain of a ship. [Written also {rais} and {ras}.]