Chaparral \Cha`par*ral"\, n. [Sp., fr. chaparro an evergeen oak.] 1. A thicket of low evergreen oaks. [1913 Webster] 2. An almost impenetrable thicket or succession of thickets of thorny shrubs and brambles. [1913 Webster] {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