Stray Definition in regards to an animal: a lost, escaped or abandoned domestic animal. A stray is an animal that previously lived in a domestic environment, if an animal was born in the wild, it is considered feral; Jonny found a stray cat at the park
Stray Definition in regards to stolen property: something not in it's right place; not where it should be; stray from the shelf
Past tense of stray is strayed; my laptop strayed from my desk when I got a cut of coffee