placteris

placteris [? cf. πλαγκτήρ=one that wanders, or πλακτήρ=a cock’s spur,πλάκτωρ=striker] , scalp ringworm (tinea capitis), or kind of parasite (in quot. pl.) that infests human hair or scalp, perh. itch-mite (Acarus scabiei or Sarcoptes scabiei) or louse (cf. OED s. v. ciron, itch). de sironibus et cimicibus: sirones et cimices capillos detruncant et corrodunt ‥; item aliud, quod valet allopicie casui capillorum, sironibus et cimicibus: ‥ si cum aqua decoctionis lupinorum, vel centaur’ minor’, vel absin’, caput abluatur, ab hujusmodi mundificabitur, et ~ides, i. marpilli, occiduntur Gilb. II 81 v. 2.

placteris

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