The dorsal plate of the prothorax in insects. See Illust. of Coleoptera.
The dorsal part of the prothorax of Insects.
[Greek] The dorsal part of the prothorax of Insects (zool.).
pr[=o]-n[=o]'tum, n. the tergal portion of the prothorax in the Insecta:--pl. PRON[=O]'TA.--adj. PRON[=O]'TAL. [Gr. pro, before, n[=o]tos, back.]