a jail or prison (especially one that is run in a tyrannical manner)
a fortress built in Paris in the 14th century and used as a prison in the 17th and 18th centuries; it was destroyed July 14, 1789 at the start of the French Revolution
a system of means and activities whereby a social institution functions; "the complex machinery of negotiation"; "the machinery of command labored and brought forth an order"
a specified function; "he was employed in the capacity of director"; "he should be retained in his present capacity at a higher salary"
the maximum production possible; "the plant is working at 80 per cent capacity"
tolerance for alcohol; "he had drunk beyond his capacity"
ability to perform or produce
the power to learn or retain knowledge; in law, the ability to understand the facts and significance of your behavior
(computer science) the amount of information (in bytes) that can be stored on a disk drive; "the capacity of a hard disk drive is usually expressed in megabytes"
the amount that can be contained; "the gas tank has a capacity of 12 gallons"