The Collaborative International Dictionary
Tetter berry
Tetter \Tet"ter\, n. [OE. teter, AS. teter, tetr; akin to G. zitter, zittermal, OHG. zittaroch, Skr. dadru, dadruka, a sort of skin disease. [root]63, 240.] (Med.) A vesicular disease of the skin; herpes. See Herpes.
Honeycomb tetter (Med.), favus.
Moist tetter (Med.), eczema.
Scaly tetter (Med.), psoriasis.
Tetter berry (Bot.), the white bryony.