Movable barriers or doorlike openings in walls, fences, or yards.

• Entrances marking access to enclosed areas or properties.

Designated boarding or arrival points at an air or transit terminal.

• Numbered positions where passengers embark or disembark.

Digital logic elements that perform operations such as AND or OR.

• The control electrodes of field-effect transistors.

Confines someone by not allowing them to go out.

• Selectively regulates or restricts access to something.

A surname.