Source : Webster's Revised Unabridged Dictionary (1913)

Stroller \Stroll"er\, n.
   One who strolls; a vagrant.

Source : WordNet®

stroller
     n 1: someone who walks at a leisurely pace [syn: {saunterer}, {ambler}]
     2: a small vehicle with four wheels in which a baby or child is
        pushed around [syn: {baby buggy}, {baby carriage}, {carriage},
         {perambulator}, {pram}, {go-cart}, {pushchair}, {pusher}]