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

anomia \ano"mia\, n. nl., fr. gr. ? irregular; 'a priv. +
   no'mos law. zool.
   a genus of bivalve shells, allied to the oyster, so called
   from their unequal valves, of which the lower is perforated
   for attachment.
   1913 webster

[2] : WordNet (r) 2.0

anomia
     n 1: inability to name objects or to recognize written or spoken
          names of objects syn: nominal aphasia, anomic
          aphasia, amnesic aphasia, amnestic aphasia
     2: type genus of the family anomiidae: saddle oysters syn: genus
        anomia
see also:
nominal aphasia anomic aphasia amnesic aphasia amnestic aphasia genus anomia 

Anomia >> A Words
Anomia, definition of term: Anomia
anomia_pag1.html