from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A small inflamed elevation of the skin that is filled with pus; a pimple.
- n. A small swelling similar to a blister or pimple.
- n. Something likened to an inflamed, pus-filled lesion: "a cool glimpse of green between hot pustules of sooty sprawl” ( Nicholas Proffitt).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A small accumulation of pus in the epidermis or dermis.
- n. A pimple filled with pus
from the GNU version of the Collaborative International Dictionary of English
- n. A vesicle or an elevation of the cuticle with an inflamed base, containing pus.
from The Century Dictionary and Cyclopedia
- n. In medicine, a small inflammatory tumor containing pus; a small pimple containing pus.
- n. In botany, a slight elevation like a pimple or little blister.
- n. In zoology: A small rounded elevation of surface, like a blister; a papule or pimple.
- n. A spot of color larger than a dot, and suggestive of a blister.
- n. One of the swellings produced in the leaves and stems of plants by Cystopus, Synchytrium, and other fungi.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a small inflamed elevation of skin containing pus; a blister filled with pus
Middle English, from Old French, from Latin pustula, blister.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin pustula ("inflamed sore, blister"). (Wiktionary)