Webster's Revised Unabridged Dictionary · 1913

Reis

Reis (r?"?s o r?z) , noun

[Portuguese, plural 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 (rīs) , noun

[Arabic rais head, chief, prince.]

A common title in the East for a person in authority, especially the captain of a ship.