- a small elevation of the skin containing pus
- any small elevation like a blister or pimple
Origin of pustuleClassical Latin pustula, blister, pimple ; from Indo-European base an unverified form pu-, echoic of blowing out cheeks, puffing from source Classical Greek physa, breath, bubble
- A small inflamed elevation of the skin that is filled with pus; a pimple.
- A small swelling similar to a blister or pimple.
- Something likened to an inflamed, pus-filled lesion: “a cool glimpse of green between hot pustules of sooty sprawl” (Nicholas Proffitt).
Origin of pustuleMiddle English, from Old French, from Latin pūstula, blister.
From Latin pustula (“inflamed sore, blister").