DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   lobe
       n 1: (anatomy) a somewhat rounded subdivision of a bodily organ
            or part; "ear lobe"
       2: (botany) a part into which a leaf is divided
       3: the enhanced response of an antenna in a given direction as
          indicated by a loop in its radiation pattern
       4: a rounded projection that is part of a larger structure