Having life such as a plant has.Of or pertaining to plants; characteristic of plants; also, having the characteristics of a plant or of plants; resembling a plant or what belongs to plants; occupied or concerned with plants.An alkaloid.n. A plant. See plant.n. In a more limited sense, a herbaceous plant used wholly or in part for culinary purposes, or for feeding cattle, sheep, or other animals, as cabbage, cauliflower, turnips, potatoes, spinach, peas, and beans. The whole plant may be so used, or its tops or leaves, or its roots, tubers, etc., or its fruit or seed.