clypeastroid

1 definition found

clypeastroid - Collaborative International Dictionary of English v.0.48 :

  Clypeastroid \Clyp`e*as"troid\, a. [NL. Clypeaster (L. clupeus
     shield + aster star) + -oid.] (Zool.)
     Like or related to the genus Clupeaster; -- applied to a
     group of flattened sea urchins, with a rosette of pores on
     the upper side.
     [1913 Webster]