(historical) The main tower of a castle or fortress, located within the castle walls.

The food or money required to keep someone alive and healthy; one's support, maintenance.

The state of being kept; hence, the resulting condition; case.

(engineering) A cap for holding something, such as a journal box, in place.

To continue in (a course or mode of action); to not intermit or fall from; to uphold or maintain.

To remain faithful to a given promise or word.

(transitive) To hold, maintain, preserve, record, restrain, watch over, support, raise, refrain from disclosing, manage, and have in stock for sale.

(intransitive) To hold or be held in a state, continue, remain edible or otherwise usable, and remain in a state.

(intransitive, cricket) To act as wicket-keeper.

(transitive) To observe; to adhere to; to fulfill; to not swerve from or violate.