noun plural but singular or plural in construction
1. : a plant of the genus Trichostema: as
a. : a plant ( T. dichotomum ) of the eastern U.S. — called also bastard pennyroyal
b. : a plant ( T. lanceolatum ) of California
2. : self-heal
noun plural but singular or plural in construction
1. : a plant of the genus Trichostema: as
a. : a plant ( T. dichotomum ) of the eastern U.S. — called also bastard pennyroyal
b. : a plant ( T. lanceolatum ) of California
2. : self-heal
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012