cow parsleycow parsley
a tall, biennial weed (Anthriscus sylvestris) of the umbel family, with tiny white flowers and parsleylike leaves, native to temperate areas of the Old World
(plural cow parsleys)
- Anthriscus sylvestris, a weedy biennial umbellifer native to the Old World.
- (by extension) Any of a variety of plants of similar appearance.