1) the body or frame of the ship; the outer covering of some cereal plants and seeds, especially the pods of peas and beans (hull)

2) a long, green part of a plant, in which peas or beans grow (pod)

3) a substance made from the beans of a tropical plant, used for flavouring sweet things (vanilla)

4) of, from, relating to, plants or plant life; (a part of) a plant used for food, e.g. potatoes, cabbage, carrots, beans (vegetable)