n. formal name being Cannabis Sativa; a plant containg tetrahydracannibonol , more commonly known as THC, the active ingredient which provides an existential like state of cosmic interaction known as being high. Several different varieties exist, inclduing Sativa and Indica. The physical qualities include tiny red/ brown hairs and a white crystalline powder coating. Marijuana is usually grown, dried and then rolled and smoked or used in a pipe or bong. It can also be eaten; it is usually cooked and added to brownie or cookie mixtures. It is sold according to its dried weight in either ounces or grams. The price will vary depending on the quality, amount and/or your dealer. Marijuana is illegal in most western countries, but has currently been decriminalized in Britain. Amsterdam is one country in which the controlled and moderated use of marijuana is not illegal. It can also be cultivated in a solid resinous form known as Hashish or Hash.Other names include grass, herb, ganja, buddha, mary jane, pottery, herbal refreshment