cannabis

noun

1. (countable, uncountable)A tall annual dioecious plant (Cannabis, especially Cannabis sativa), native to central Asia and having alternate, palmately divided leaves and tough bast fibers.
2. (countable, uncountable)A mildly euphoriant or sedating, intoxicating hallucinogenic drug prepared from various parts of this plant.

   “Cannabis use disorder is usually defined as a problematic use of the drug: developing tolerance to weed; using cannabis in larger amounts or over a longer period than intended; being unable to reduce use; spending a lot of time obtaining, using or recovering from the effects of cannabis; giving up important activities and obligations in favor of cannabis; and continued use of the drug despite negative consequences.”

   “We determined that the car driver’s transportation of multiple teen passengers, limited driving experience, and likely impairment from effects of cannabis at the time of the crash adversely affected her judgment of the danger of entering the intersection in front of the approaching combination vehicle.”

   “We found that teen drivers and the public largely misunderstand the legal status of cannabis use and do not fully recognize the risks of cannabis-impaired driving.”

3. (countable, uncountable)The purified and decarboxylated resin of the cannabis plant used for medicinal purposes rather than for any intoxicating effects.