Source : Webster's Revised Unabridged Dictionary (1913)

Coeval \Co*e"val\, a. [L. coaevus; co- + aevum lifetime, age.
   See {Age}, n.]
   Of the same age; existing during the same period of time,
   especially time long and remote; -- usually followed by with.

         Silence! coeval with eternity!           --Pope.

         Oaks coeval spread a mournful shade.     --Cowper.

Coeval \Co*e"val\, n.
   One of the same age; a contemporary.

         As if it were not enough to have outdone all your
         coevals in wit.                          --Pope.

Source : WordNet®

coeval
     adj : of the same period [syn: {coetaneous}, {contemporaneous}]
     n : a person of nearly the same age as another [syn: {contemporary}]