Abscess definition

A circumscribed pus-filled lesion characteristic of staphylococcal skin disease; also called a boil. (Alcamo’s Fundamentals of Microbiology)

A localized infection characterized by the production of pus. (Brock Biology of Microorganisms)

An inflamed, fibrous mass enclosing a core of pus. (Foundation in Microbiology by Talaro and Chess)

Localized accumulation of pus. (Microbiology: An Introduction by Tortora, Funke, and Case)