Sentence:  If you′ve ever put a saucer of milk out for a hard-luck kitty, or if you′re spending your lunch hour sharing sandwiches with the <WSD>ferals</WSD> near your office, this is the chapter for you. 
Meaning of the word marked with <WSD> tags:  A domesticated animal that has returned to the wild; an animal, particularly a domesticated animal, living independently of humans.