'marihuana' definitions:

Definition of 'marihuana'

From: WordNet
noun
A strong-smelling plant from whose dried leaves a number of euphoriant and hallucinogenic drugs are prepared [syn: marijuana, marihuana, ganja, Cannabis sativa]
noun
The most commonly used illicit drug; considered a soft drug, it consists of the dried leaves of the hemp plant; smoked or chewed for euphoric effect [syn: cannabis, marijuana, marihuana, ganja]

Definition of 'marihuana'

From: GCIDE
  • marijuana \marijuana\ n.
  • 1. A strong-smelling Asian plant (Cannabis sativa), also called hemp, from which a number of euphorogenic and halucinogenic drugs are prepared. The euphoric effect is predominently due to tetrahydrocannabinol (THC). [Also spelled marihuana.]
  • Syn: cannabis, ganja, pot, grass, marihuana, {Cannabis sativa}. [WordNet 1.5]
  • 2. The dried leaves or the female flowers of the hemp plant, which is smoked or chewed to obtain a euphoric effect. The flowers usually have a higher concentration of the active ingredient, tetrahydrocannabinol.
  • Syn: cannabis, ganja, pot, grass, marihuana, dope, weed, gage, sess, sens, smoke, skunk, Mary Jane. [WordNet 1.5]