parsley /ˈpɑː(ɹ)sli/noun 3verb 1forms 3 noun3 •A bright green, biennial herb, Petroselinum crispum, having many cultivars.Though the parsley seemed to have died, outside it started to regenerate. New crimped leaves came free from the sprigs and spread. — 2022 •The leaves of this plant used in Middle Eastern, European, and American cooking. •Any herb resembling parsley, such as cilantro (Chinese parsley) or chervil (French parsley). verb1 •To add parsley to.Put a layer of mashed potato on one side and also on the other after peppering, salting and finely-chopped parsleying it to taste. — 1923 formsparsleyed · parsleying · parsleys