atter UK /ˈætə/US /ˈætəɹ/noun 4verb 2forms 3 noun4 •(dialect, UK) A scab; a dry sore. •(dialect, UK) Epithelium produced on the tongue. •(dialect, no longer used) Poisonous bodily fluid, especially venom of a venomous animal, such as a snake, dragon or other reptile; corrupt or morbid matter from the body, such as pus from a sore or wound; bitter substance, such as bile. •(figurative, no longer used) Moral corruption or corruptness; noxious or corrupt influence, poison to the soul, evil, anger, envy, hatred; destruction, death. verb2 •(dialect, UK) to venom; sting •(dialect, UK) to discharge, as a sore; clot; curdle; cake formsattered · attering · atters