Webster's Revised Unabridged Dictionary · 1913

Yerba

Yerba , noun

[Sp.]

(Botany) An herb; a plant.

This word is much used in compound names of plants in Spanish; as, yerba buena [Sp., a good herb], a name applied in Spain to several kinds of mint (Mentha sativa, Mentha viridis, etc.), but in California universally applied to a common, sweet-scented labiate plant (Micromeria Douglasii).

Collocations (3)
Yerba dol osa , A kind of buckthorn (Rhamnus Californica).
Yerba mansa , A plant (Anemopsis Californica) with a pungent, aromatic rootstock, used medicinally by the Mexicans and the Indians.
Yerba reuma , A low California undershrub (Frankenia grandifolia).