Definitions

1. adjective

relating to or resembling a clypeus; specifically, relating to or resembling the front or dorsal plate of the thorax in insects, which bears the clavus or episternum.

“The beetle’s clypeal plate was an essential feature for its identification.”

2. noun

a clypeus; specifically, the front or dorsal plate of the thorax in insects.

“The entomologist examined the insect’s clypeal structure under a microscope.”