A hollow place or cavity; an excavation; a pit; a dent; a depression; a fissure. • An opening that goes all the way through a solid body, a fabric, etc.; a perforation; a rent. • In games. • A subsurface standard-size hole, also called cup, hitting the ball into which is the object of play. Each hole, of which there are usually eighteen as the standard on a full course, is located on a prepared surface, called the green, of a particular type grass. • The part of a game in which a player attempts to hit the ball into one of the holes. • The rear portion of the defensive team between the shortstop and the third baseman. • A square on the board, with some positional significance, that a player does not, and cannot in the future, control with a friendly pawn. • A card (also called a hole card) dealt face down thus unknown to all but its holder; the status in which such a card is. • In the game of fives, part of the floor of the court between the step and the pepperbox. • An excavation pit or trench. • A weakness; a flaw or ambiguity. • In semiconductors, a lack of an electron in an occupied band behaving like a positively charged particle. • A security vulnerability in software which can be taken advantage of by an exploit. • Any bodily orifice. • A person's mouth. • The anus. • The vagina. • A woman. • Solitary confinement, a high-security prison cell often used as punishment. • An undesirable place to live or visit. • Difficulty, in particular, debt. • A chordless cycle in a graph. • A passing loop; a siding provided for trains traveling in opposite directions on a single-track line to pass each other. • A mountain valley.