Webster’s Revised Unabridged Dictionary · 1913
Exon
Ex′on (ĕks′ŏn), n. [NL., from E. Exe (Celt. uisge water) the name of a river.] A native or inhabitant of Exeter, in England.
Ex′on, n. [F. expect an under officer.] An officer of the Yeomen of the Guard; an Exempt. [Eng.]