Definition of plerocephalic in English:
plerocephalic
adjective ˌplɪərə(ʊ)sɪˈfalɪkˌplɪərəʊkɛˈfalɪk
Medicine rare Designating or relating to papilloedema caused by increased intracranial pressure; especially in "plerocephalic oedema".
Origin
1920s. From Hellenistic Greek πληρο- + -cephalic.