(archaic or UK dialectal) Poison, venom, especially of a venomous animal. / (archaic or UK dialectal) Pus, corrupt or morbid matter from a sore or wound.

(UK dialectal) To venom; sting. / (UK dialectal) To discharge, as a sore; clot; curdle; cake.

plural of atter

(obsolete, except in dialects) A spider. / (obsolete, except in dialects) A peevish or ill-natured person.

plural of attercop

A surname.

(obsolete, rare, transitive) To fill up with alluvial earth.

(obsolete) Poisonous; attery

(dialectal or archaic) Poisonous; venomous / (dialectal or archaic) Pernicious / (of a wound or sore, dialectal or archaic) Purulent; containing pus or matter

(of weather, dialectal or archaic) Cold, bleak weather.