masc. proper name, from O.Fr. Andreu (Fr. André, from L. Andreas, from Gk. Andreas, from andreios "manly," from aner (gen. andros) "man" (see anthropo-). Andrew Millar (1590s) for some forgotten reason became Eng. naval slang for "government authority," and especially
"the Royal Navy." St. Andrew (feast day Nov. 30) has long been regarded as patron saint of Scotland.