Insectivorous mammal (8)
(Other definitions for aardvark that I've seen before include "African burrowing animal, feeds on termites" , "African nocturnal burrower" , "First creature found in a dictionary" , "First animal to be found in a dictionary?" , "among Chambers' top words!" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">insectivorous mammal</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for anteater that I've seen before include "Termite muncher" , "Long-tongued mammal" , "individual living off workers" , "Sticky-tongued mammal" , "Feeder on termites" .)