[1] : The Collaborative International Dictionary of English v.0.48

lobe \lobe\ l=ob, n. f. lobe, gr. lobo`s.
   any projection or division, especially one of a somewhat
   rounded form; as:
   a bot. a rounded projection or division of a leaf.
       --gray.
   b zool. a membranous flap on the sides of the toes of
       certain birds, as the coot.
   c anat. a round projecting part of an organ, as of the
       liver, lungs, brain, etc. see illust. of brain.
   b mach. the projecting part of a cam wheel or of a
       non-circular gear wheel.
       1913 webster

   lobe of the ear, the soft, fleshy prominence in which the
      human ear terminates below, also called the earlobe.
      see. illust. of ear.
      1913 webster +pjc
see also:
brain lobe of the ear earlobe ear 

[2] : WordNet (r) 2.0

earlobe
     n : the fleshy pendulous part of the external human ear syn: ear
         lobe
see also:
ear lobe 

Earlobe >> E Words
Earlobe, definition of term: Earlobe
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