Silique is a botanical term that refers to a type of fruit found in some plants such as broccoli, mustard and cabbage. It is a narrow, elongated capsule that splits open to release the seeds. Synonyms for silique include pod, seed vessel and pericarp. The pod is a common term for a dry fruit that splits open along two seams to release the seeds, whereas the seed vessel refers to the ovary of the plant that develops into a fruit after fertilization. The pericarp is the outer layer of the fruit that encloses the seeds. These synonyms are useful to learn for botanists, gardeners and anyone interested in plant biology.