slot — meaning in English

English meaning

castle noun A large fortified building, historically home to a king or noble, built to withstand attack.
clasp noun A fastener with interlocking parts used to hold something closed, like a necklace or bag.
lock noun A device that fastens something shut, opened only with a key, code, or similar means.

slot is used for these senses in English:

castle A large residential building or compound that is fortified and contains many defences; in previous ages often inhabited by a nobleman or king. Also, a house or mansion with some of the architectural features of medieval castles.
clasp (countable) A device with interlocking parts used for fastening things together, such as a fastener or a holder.
lock A fastening together or interlacing; a closing of one thing upon another; a state of being fixed or immovable.

noun A large fortified building, historically home to a king or noble, built to withstand attack.
noun In chess, a rook, the piece shaped like a tower.
verb In chess, to make a special move where the king and a rook swap positions under certain conditions.

noun A fastener with interlocking parts used to hold something closed, like a necklace or bag.
verb To hold something tightly, often by wrapping fingers or arms around it.