IPA: /ˌɛəˈroʊlə/
KK: /ɛrˈiːlə/
A small colored ring or area surrounding a central part, such as the area around a nipple or the part of the eye around the pupil.
The doctor explained the importance of the areola in breast anatomy.
Areola → It is formed from "areola" (from Latin, meaning a small open space or area). The word refers to a small circular area, particularly in anatomy, such as the pigmented area surrounding a nipple.
Think of a small 'area' ('areola') that surrounds something, like the circle around a nipple.