Fortress

• the financial means whereby one lives

• the main tower within the walls of a medieval castle or fortress

• a cell in a jail or prison

• cause to continue in a certain state, position, or activity

• continue a certain state, condition, or activity

• retain possession of

• stop (someone or something) from doing something or being in a certain state

• conform one's action or practice to

• stick to correctly or closely

• look after; be the keeper of; have charge of

• maintain by writing regular records

• supply with room and board

• allow to remain in a place or position or maintain a property or feature

• supply with necessities and support

• fail to spoil or rot

• behave as expected during of holidays or rites

• maintain in safety from injury, harm, or danger

• to rear

• retain rights to

• store or keep customarily

• have as a supply

• maintain for use and service

• hold and prevent from leaving

• prevent the action or expression of

• prevent (food) from rotting

• a large and stately mansion

• a large building formerly occupied by a ruler and fortified against attack

• (chess) the piece that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard

• interchanging the positions of the king and a rook

• move the king two squares toward a rook and in the same move the rook to the square next past the king

• a stronghold into which people could go for shelter during a battle