Definitions of toy:

• noun:   a nonfunctional replica of something else (frequently used as a modifier)

  Example: "A toy stove"

• noun:   any of several breeds of very small dogs kept purely as pets
• noun:   copy that reproduces something in greatly reduced size
• noun:   an artifact designed to be played with
• verb:   manipulate manually or in one's mind or imagination
• verb:   behave carelessly or indifferently
• verb:   engage in an activity as if it were a game rather than take it seriously

  Example: "Toy with an idea"

• name:  A surname (rare: 1 in 50000 families; popularity rank in the U.S.: #6335)