noun pro·to·cerebrum \"+\

Definition of protocerebrum

  1. 1 :  the first segment of the brain in an insect innervating the compound eyes

  2. 2 :  the ganglion in a lower crustacean giving rise to the optic nerve

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Origin and Etymology of protocerebrum

New Latin, from prot- + cerebrum

Seen and Heard

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quaintly unconventional or refined

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