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

aardvark \aard"vark`\ aumrd"vaumrk`, n. d., earth-pig.
   zool.
   an edentate mammal, of the genus orycteropus orycteropus
   afer, somewhat resembling a pig, common in some parts of
   southern africa. it is a nocturnal ungulate, burrows in the
   ground with its powerful claws, and feeds entirely on ants
   and termites, which it catches with its long, extensile,
   slimy tongue. it is the sole extant representative of the
   order tubulidentata. spelled also aard-vark.

   syn: syn. --ant bear, anteater, orycteropus afer, oryctere,
        orycterope
        1913 webster wordnet 1.5
see also:
orycteropus orycteropus afer tubulidentata aard-vark orycteropus afer 

[2] : WordNet (r) 2.0

aardvark
     n : nocturnal burrowing mammal of the grasslands of africa that
         feeds on termites; sole extant representative of the
         order tubulidentata syn: ant bear, anteater, orycteropus
         afer
see also:
ant bear anteater orycteropus afer 

Aardvark >> A Words
Aardvark, definition of term: Aardvark
aardvark_pag1.html