stray

:  wander: such asa :  to wander from company, restraint, or proper limitsb :  to roam about without fixed direction or purposec :  to move in a winding course :  meanderd :  to move without conscious or intentional effort eyes straying absently around the roome :  to become distracted from an argument or train of thought strayed from the pointf :  to wander accidentally from a fixed or chosen routeg :  err, sin

1 :  having strayed or escaped from a proper or intended place a stray dog

2 :  occurring at random or sporadically stray thoughts

3 :  not serving any useful purpose :  unwanted stray light

:  a domestic animal (as a cat or dog) that is lost or has no home

1 :  to wander from a group or from the proper place :  roam The gate was left open and the cow strayed.

2 :  to go off from a direct or chosen route or the right course We strayed from the path.

3 :  to become distracted from a topic or train of thought

1 :  lost or having no home a stray dog

2 :  not in the proper or intended place I found a few stray socks.

3 :  occurring here and there :  random a few stray hairs