hole

an opening into or through something

an opening deliberately made in or through something

one playing period (from tee to green) on a golf course; "he played 18 holes"

an unoccupied space

a depression hollowed out of solid matter

a fault; "he shot holes in my argument"

informal terms for a difficult situation; "he got into a terrible fix"; "he made a muddle of his marriage"

informal terms for the mouth

hit the ball into the hole

make holes in