- A hardy biennial plant with either bright green very curly leaves, Petroselinum crispum, or flat duller leaves, P. crispum ‘Neapolitanum’. The flat-leaved variety which is common outside the UK has a stronger flavour. It is very widely used as a culinary herb, as a decoration or garnish either in sprigs or chopped, and as an essential part (esp. the stalks) of a bouquet garni.
- noun a green herb with either curly or flat leaves, used in cooking as a flavouring or garnish