Rei \Rei\ (r?), n.;pl. Reis (r?"?s or r?z). [Pg. real, pl. reis. See Real a coin.]

A portuguese money of account, in value about one tenth of a cent. [Spelt also ree.]

Source: Webster's Revised Unabridged Dictionary (1913)
 

Reis \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.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Reis \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.]

Source: Webster's Revised Unabridged Dictionary (1913)