herb Copy link Outline 1. herba (any kind of plant)2. ŏlus, ĕris (collect. or pl. • herb: 1. herba (any kind of plant): Cic.: Hor. Abounding in h.s, herbosus, Cato: Virg. Dimin., herbula, Cic.: Sen. 2. ŏlus, ĕris (collect. or pl.: pot-herbs): v. vegetable, green (subs.).