Answer: straydog

AnswerCrossword Clue
STRAYDOGAlley wanderer
STRAYDOGBarking wanderer
STRAYDOGPound prisoner, often
STRAYDOGConcern of the ASPCA
STRAYDOGHomeless pet
STRAYDOGShelter dweller
STRAYDOGIt's picked up by the pound
STRAYDOGCandidate for the pound.
STRAYDOGPart of a pound?
STRAYDOGHe may be bound for the pound