The Collaborative International Dictionary of English v.0.48:
Chaparral \Cha`par*ral"\, n. [Sp., fr. chaparro an evergeen
1. A thicket of low evergreen oaks.
2. An almost impenetrable thicket or succession of thickets
of thorny shrubs and brambles.
Chaparral cock; fem. Chaparral hen (Zool.), a bird of the
cuckoo family (Geococcyx Californianus), noted for
running with great speed. It ranges from California to
Mexico and eastward to Texas; -- called also road
runner, ground cuckoo, churea, and snake killer. It
is the state bird of New Mexico.
[1913 Webster +PJC] chapati