Definitions of lucky:

• adjective:   having or bringing good fortune

  Example: "My lucky day"

• adjective:   blessed with good fortune

  Example: "Considered himself lucky that the tornado missed his house"

• adjective:   tending to favor or bring good luck

  Example: "Lucky stars"

• name:  A surname (rare: 1 in 50000 families; popularity rank in the U.S.: #7013)