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areola (n.)

"colored circle around a nipple" (areola papillaris), 1706, from Latin areola, literally "small area," diminutive of area (see area). Introduced in this sense 1605 by Swiss anatomist and botanist Caspar Bauhin. The word also is used in other anatomical senses. Related: Areolar.

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Definitions of areola

areola (n.)
small space in a tissue or body part such as the area between veins on a leaf or an insect's wing;
areola (n.)
small circular area such as that around the human nipple or an inflamed area around a pimple or insect bite;
Synonyms: ring of color
From wordnet.princeton.edu