Definition of stray:
(n) :
any domestic animal that has an
inclosure, or its proper place and company, and wanders at large, or is lost; an
estray. Used also
figuratively; the act of wandering or going
astray
(v) :
to
wander, as from a direct course; to deviate, or go out of the way; to wander from company, or from the proper limits; to rove at large; to
roam; to go astray
(adj) :
to cause to stray; having gone astray; strayed; wandering; as, a stray horse or sheep