chachalaca 🔊 Listen to this < /ˌtʃɑ tʃəˈlɑ kəz; Spanish ˌtʃɑ tʃɑˈlɑ kɑs/. any of several slender guans of the genus Ortalis, of Central America, Mexico, and southern Texas, having loud, harsh cries. Share Facebook Twitter Google +