Pronunciation: (gûr'kin),[key] —n. 1. the small, immature fruit of a variety of cucumber, used in pickling.
2. Also called bur gherkin, West Indian gherkin. the small, spiny fruit of a tropical vine, Cucumis anguria, of the gourd family, used in pickling.
3. the plant yielding this fruit.
4. a small pickle, esp. one made from this fruit.