(a) Pathol. A hard swelling on the head suggestive of a snail's or turtle's shell; (b) pathol. a soft and sometimes suppurating swelling on a part of the body; (c) a covered battering ram resembling a……
(a) Pathol. An eruption of the skin, a pimple, pustule; also, the head of a boil or abscess; pl. pustules; also, a rash; the rash, hives, inflammation, etc. resulting from the sting or bite of an……