Source : Webster's Revised Unabridged Dictionary (1913)

Prank \Prank\, v. t. [imp. & p. p. {Pranked}; p. pr. & vb. n.
   {Pranking}.] [Cf. E. prink, also G. prangen, prunken, to
   shine, to make a show, Dan. prange, prunke, Sw. prunka, D.
   pronken.]
   To adorn in a showy manner; to dress or equip ostentatiously;
   -- often followed by up; as, to prank up the body. See
   {Prink}.

         In sumptuous tire she joyed herself to prank.
                                                  --Spenser.