'Rais' definitions:
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Rais \Rais\ (r[imac]s), n.
Same as 2d Reis.
[1913 Webster]
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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.]
[1913 Webster]
