What is the meaning of Defence?

The action of defending, of protecting from attack, danger or injury.

Something used to oppose attacks.

An argument in support or justification of something.

A strategy and tactics employed to prevent the other team from scoring; contrasted with offence.

The portion of a team dedicated to preventing the other team from scoring; contrasted with offence.

Government policy or (infra)structure related to the military.

Prohibition; a prohibitory ordinance.

To furnish with defences; to fortify.

Source: wiktionary.org