anomia

from WordNet (r) 3.0 (2006)

anomia
    n 1: inability to name objects or to recognize written or spoken
         names of objects [syn: {nominal aphasia}, {anomic aphasia},
         {anomia}, {amnesic aphasia}, {amnestic aphasia}]
    2: type genus of the family Anomiidae: saddle oysters [syn:
       {Anomia}, {genus Anomia}]

from The Collaborative International Dictionary of English v.0.48

Anomia \A*no"mi*a\, 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]

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