Source : Webster's Revised Unabridged Dictionary (1913)

Perish \Per"ish\, v. i. [imp. & p. p. {Perished}; p. pr. & vb.
   n. {Perishing}.] [OE. perissen, perisshen, F. p['e]rir, p.
   pr. p['e]rissant, L. perire to go or run through, come to
   nothing, perish; per through + ire to go. Cf. {Issue}, and
   see {-ish}.]
   To be destroyed; to pass away; to become nothing; to be lost;
   to die; hence, to wither; to waste away.

         I perish with hunger!                    --Luke xv. 17.

         Grow up and perish, as the summer fly.   --Milton.

         The thoughts of a soul that perish in thinking.
                                                  --Locke.

Perish \Per"ish\, v. t.
   To cause perish. [Obs.] --Bacon.

Source : WordNet®

perish
     v : pass from physical life and lose all all bodily attributes
         and functions necessary to sustain life; "She died from
         cancer"; "They children perished in the fire"; "The
         patient went peacefully" [syn: {die}, {decease}, {go}, {exit},
          {pass away}, {expire}, {pass}] [ant: {be born}]