- strayAny domestic animal that lacks an enclosure, proper place, or company, but that instead wanders at large or is lost; an estray.
- estrayAn animal that has escaped from its owner; a wandering animal whose owner is unknown. An animal cannot be an estray when on the range where it was raised, and permitted by its owner to run. A lost animal whose owner is known to the party at hand is not an estray.