资料来源 : Webster's Revised Unabridged Dictionary (1913)

Areola \A*re"o*la\, n.; pl. {Areol[ae]}. [L. areola, dim. of
   area: cf. F. ar['e]ole. See {Area}.]
   1. An interstice or small space, as between the cracks of the
      surface in certain crustaceous lichens; or as between the
      fibers composing organs or vessels that interlace; or as
      between the nervures of an insect's wing.

   2. (Anat. & Med.) The colored ring around the nipple, or
      around a vesicle or pustule.

资料来源 : WordNet®

areolae
     See {areola}

areola
     n 1: small space in a tissue or part such as the area between
          veins on a leaf or an insect's wing
     2: small circular area such as that around the human nipple or
        an inflamed area around a pimple or insect bite [syn: {ring
        of color}]
     [also: {areolae} (pl)]