A narrow opening that accepts a coin or similar object. Also called slit, notch, or aperture. A slot in a schedule or program where an activity can take place. A person might use scheduling software to book appointments in specific time slots throughout the day.

A position in a group, series, or sequence: He was promoted to the slot of chief copy editor.

An allocation of a time or place for an aircraft to take off or land: We waited until our flight was in the slot.

In ice hockey, an area in front of the opposing goal that affords a vantage for an attacking player. Wingers and centers shoot from the low slot, because it gives them the best chance to score a wrist shot without deflection. Defensemen, on the other hand, will often try to prevent scoring from the slot by laying big hits on small players.

A slot is an opening or gap in a surface that allows for movement, as on a door or window. It can also refer to a position in a group, series or sequence: She was booked into the next available slot for her doctor’s appointment. A slot is also an allocation of a time or place for an airplane to take off or land, as authorized by an airport or air-traffic authority: We waited until our flight was in their slot.