Definitions of stray:

• noun:   homeless cat
• verb:   wander from a direct course or at random

  Example: "The child strayed from the path and her parents lost sight of her"

• verb:   lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking
• verb:   move about aimlessly or without any destination, often in search of food or employment
• adjective:   not close together in time

  Example: "A stray bullet grazed his thigh"

• name:  A surname (very rare: popularity rank in the U.S.: #45261)