Webster's Revised Unabridged Dictionary · 1913

Chamisal

Chamisal , noun

[Amer. Sp., from Sp. chamiza a kind of wild cane.]

1.
(Botany) A California rosaceous shrub (Adenostoma fasciculatum) which often forms an impenetrable chaparral.
2.
A chaparral formed by dense growths of this shrub.