The word "narcotic" refers to a type of drug or substance that has the ability to alter a person's mental state and can cause drowsiness, relaxation, pain relief, or even addiction. Full definition
These drugs may be used recreationally to purposefully alter one's consciousness (such as coffee, alcohol or cannabis), as entheogens for spiritual purposes (such as the mescaline - containing peyote cactus or psilocybin - containing mushrooms), and also as medication (such as the use of narcotics in controlling pain, stimulants to treat narcolepsy and attention disorders, as well as anti-depressants and anti-psychotics for treating neurological and psychiatric illnesses). (sciencedaily.com)
This versatile hunting breed comes in three colors — yellow, black and chocolate — and because of his aptitude to please his master they excel as guide dogs for the blind, as part of search - and - rescue teams or in narcotics detection with law enforcement. (fortheloveoflabs.com)
Pretty much every mother gets a prescription for narcotic pain medications after birth, and they rarely cause problems. (babycenter.com)