What does the word stray mean?

Usage examples for stray

  1. 193. Stray Thoughts on Play- Writing. – Oscar Wilde by Leonard Cresswell Ingleby
  2. Mr. Kelley, dey's a stray chile here. – Frank of Freedom Hill by Samuel A. Derieux
  3. Have you a stray tear? – Seven Keys to Baldpate by Earl Derr Biggers