'areola' definitions:

Definition of 'areola'

(from WordNet)
noun
Small space in a tissue or body part such as the area between veins on a leaf or an insect's wing
noun
Small circular area such as that around the human nipple or an inflamed area around a pimple or insect bite [syn: areola, ring of color]

Synonyms of 'areola'

From: Moby Thesaurus