RhymeZone: sain definitions

Definitions of Sain:

name: A surname (rare: 1 in 50000 families; popularity rank in the U.S.: #7247)

verb: (transitive, archaic) To make the sign of the cross on or over something or someone.
verb: (intransitive, obsolete except in Scots) To make the sign of the cross.
verb: (transitive, archaic) To bless, to keep from evil influence.
noun: A surname.

(Definitions from Wiktionary)