\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.

\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.