People get high on it

• Important means of communing with Jah
• A strong-smelling plant from whose dried leaves a number of euphoriant and hallucinogenic drugs are prepared
• Rasta word for marijuana
• Potent type of marijuana
• Smoked or chewed for euphoric effect
• Jamaican marijuana

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Ganja \Gan"ja\, n. [Hind. g[=a]njh[=a].] The dried hemp plant, used in India for smoking. It is extremely narcotic and intoxicating.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
also ganjah , powerful preparation of cannabis sativa , 1800, from Hindi ganjha .

WordNet Word definitions in WordNet
n. a strong-smelling plant from whose dried leaves a number of euphoriant and hallucinogenic drugs are prepared [syn: marijuana , marihuana , Cannabis sativa ] the most commonly used illicit drug; considered a soft drug, it consists of the dried leaves ...