Definitions of hole:

• noun:   an opening deliberately made in or through something
• noun:   one playing period (from tee to green) on a golf course

  Example: "He played 18 holes"

• noun:   an opening into or through something
• noun:   a depression hollowed out of solid matter
• noun:   an unoccupied space
• noun:   a fault

  Example: "He shot holes in my argument"

• noun:   informal terms for a difficult situation
• noun:   informal terms for the mouth
• verb:   make holes in
• verb:   hit the ball into the hole
• name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #13037)