Definitions of pink:

• noun:   a light shade of red
• noun:   any of various flowers of plants of the genus Dianthus cultivated for their fragrant flowers
• verb:   sound like a car engine that is firing too early

  Example: "The car pinked when the ignition was too far retarded"

• verb:   cut in a zig-zag pattern with pinking shears, in sewing
• verb:   make light, repeated taps on a surface
• adjective:   of a light shade of red
• name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #8703)