The Collaborative International Dictionary of English v.0.48:

Areolar \A*re"o*lar\, a.
   Pertaining to, or like, an areola; filled with interstices or
   areol[ae].
   [1913 Webster]

   reolar tissue (Anat.), a form of fibrous connective tissue
      in which the fibers are loosely arranged with numerous
      spaces, or areol[ae], between them.
      [1913 Webster] Areolate