protection

Protection or protect, which generally means anything that helps to ward off some threat, may also refer to:Protection (album), by Massive AttackProtection (climbing), a climber's basic safety mechanismProtection (poker), type of bet made to strengthen vulnerable handsPersonal protective equipment, to shield the body from hazardsPower system protection, of electric systems against faultsprotection mechanism an aspect of computer architectureA condomA promised benefit from a protection racket, an extortion schemeLife insurance
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n. protection, defence, guard; insurance; shelter, fencing

(n.)
The act of protecting, or the state of being protected; preservation from loss, injury, or annoyance; defense; shelter; as, the weak need protection.
  

(n.)
That which protects or preserves from injury; a defense; a shield; a refuge.
  

(n.)
A writing that protects or secures from molestation or arrest; a pass; a safe-conduct; a passport.
  

(n.)
A theory, or a policy, of protecting the producers in a country from foreign competition in the home market by the imposition of such discriminating duties on goods of foreign production as will restrict or prevent their importation; -- opposed to free trade.
  

Synonym lockout (def. #5).