Definition of areole
: a round or elongated often raised or depressed area on a cactus which is equivalent to a bud and from which spines, flowers, stems, or roots grow
First Known Use of areole
Learn More about areole
Britannica.com: Encyclopedia article about areole
Seen and Heard
What made you want to look up areole? Please tell us where you read or heard it (including the quote, if possible).