n. [ A corruption of OE. puliall royal. OE. puliall is ultimately derived fr. L. puleium, or pulegium regium (so called as being good against fleas), fr. pulex a flea; and royal is a translation of L. regium, in puleium regium. ] (Bot.) An aromatic herb (Mentha Pulegium) of Europe; also, a North American plant (Hedeoma pulegioides) resembling it in flavor. [ 1913 Webster ]
Bastard pennyroyal (Bot.)