estray

Etymology
From, from , from the verb. Etymological doublet with stray.

Noun

 * 1)  An 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.
 * 2)  Stray.

Verb

 * 1)  To stray.