1. (noun) terrestrial burrowing nocturnal frog of grassy terrain and scrub forests having very hard upper surface of head; of the United States southwest

• northern casque-headed frog
• pternohyla fodiens

1. (noun) terrestrial burrowing nocturnal frog of grassy terrain and scrub forests having very hard upper surface of head; of the United States southwest

• genus pternohyla
• pternohyla

1. (noun) terrestrial burrowing nocturnal frog of grassy terrain and scrub forests having very hard upper surface of head; of the United States southwest

• tree frog
• tree toad
• tree-frog