weed

n.

1. Wild plant

   noxious weed, uncultivated plant, unwanted plant, prolific plant; see plant.

   Common weeds include: ragweed, nettle, wild morning-glory, pigweed, buckthorn, dandelion, lamb's quarters, buttonweed, dog fennel, plantain, quack grass, couch grass, crab grass, jimson weed, ironweed, wild sunflower, wild hemp, horsemint, foxtail, milkweed, wild barley, wild buckwheat, mullein, cheat grass, Russian thistle, tumbleweed, burdock, wild carrot, Queen Anne's lace, wild parsley, tarweed, vervain, vetch, purslane, wild onion, wild mustard.

2. *Cigarette or cigar

   tobacco, coffin nail*, fag*, joint*; see tobacco.

3. *Marijuana

   pot*, boo*, smoke*, grass*, Maryjane*; see also marijuana.