pavement teeth

from The Collaborative International Dictionary of English v.0.48
Pavement \Pave"ment\, n. [F., fr. LL. pavamentum, L. pavimentum.
   See {Pave}.]
   That with which anything is paved; a floor or covering of
   solid material, laid so as to make a hard and convenient
   surface for travel; a paved road or sidewalk; a decorative
   interior floor of tiles or colored bricks.
   [1913 Webster]

         The riches of heaven's pavement, trodden gold.
                                                  --Milton.
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   {Pavement teeth} (Zool.), flattened teeth which in certain
      fishes, as the skates and cestracionts, are arranged side
      by side, like tiles in a pavement.
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