noun

• An areola, especially a small area bearing spines or hairs on a cactus.

  ‘The spines grow from an areole covered with glochids, which are tiny, barbed spines characteristic of all Opuntia.’

  More example sentences

  • ‘Such gas exchange measurements, which were performed on the same fruits throughout their development, were done during clear days, on east-facing unshaded fruits, and avoiding the areoles.’
  • ‘The surface of the cell is coarsely areolate, with a pore in each areole.’