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Related to areolar: areolar glands
n. pl. a·re·o·lae (-lē′) or a·re·o·las
1. A small ring of color around a center portion, as about the nipple of the breast or the part of the iris surrounding the pupil of the eye.
2. A small space or interstice in a tissue or part, such as the area bounded by small veins in a leaf or the wing of an insect. In both senses also called areole.
[Latin āreola, small open space, diminutive of ārea, open place; see area.]
a·re′o·lar, a·re′o·late (-lĭt) adj.