AREOLA
areola, ring of color
(noun) small circular area such as that around the human nipple or an inflamed area around a pimple or insect bite
areola
(noun) small space in a tissue or body part such as the area between veins on a leaf or an insect’s wing
Source: WordNet® 3.1
Etymology
Noun
areola (plural areolas or areolae or areolæ)
(anatomy) The colored circle around a nipple, more exactly known as areola mammae.
(anatomy) Any small circular area that is different from its immediate environment, such as the colored ring around the pupil of the eye (iris) or an inflamed region surrounding a pimple.
(anatomy) Any of the small spaces throughout areolar connective tissue.
Usage notes
• Not to be confused with aureola.
Source: Wiktionary
A*re"o*la, n.; pl. Areolæ. Etym: [L. areola, dim. of area: cf. F.
aréole. See Area.]
1. An interstice or small space, as between the cracks of the surface
in certain crustaceous lichens; or as between the fibers composing
organs or vessels that interlace; or as between the nervures of an
insect's wing.
2. (Anat. & Med.)
Definition: The colored ring around the nipple, or around a vesicle or
pustule.
Source: Webster’s Unabridged Dictionary 1913 Edition