"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.
areal
area-way
aren't
arena
arenaceous
areola
areolas
Areopagite
Areopagus
Ares
arete