Webster's Revised Unabridged Dictionary · 1913

Tetter

Tetter , noun

[Old English teter, Anglo-Saxon teter, tetr; akin to German zitter, zittermal, Old High German zittaroch, Sanskrit dadru, dadruka, a sort of skin disease. r63, 240.]

(Medicine) A vesicular disease of the skin; herpes. See Herpes.
Collocations (4)
Honeycomb tetter (Medicine) , favus.
Moist tetter (Medicine) , eczema.
Scaly tetter (Medicine) , psoriasis.
Tetter berry (Botany) , the white bryony.

Tetter , transitive verb

To affect with tetter. — Shakespeare