Protection is a word that means to protect. If you try to find protection quotes you will see that this is a job that parents have, and it is also the responsibility of older siblings who have younger brothers and sisters. In order to gain protection you may have a home security alarm system installed, or you could buy a dog that will help protect your home and family instead. Some people own firearms for protection in case they are attacked or someone breaks into their home. If you use protection when you have sex then you are using birth control to protect against the possibility of an unplanned pregnancy. Flea and tick protection is something that cats and dogs require so that they are not infected by these parasites, and they are protected against the diseases that these pests can transmit.