1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Dentalium  \Den*ta"li*um\,  n.  [NL.,  fr  L.  dens,  dentis,  tooth.] 
  (Zo["o]l.) 
  A  genus  of  marine  mollusks  belonging  to  the  Scaphopoda, 
  having  a  tubular  conical  shell. 

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