Regularia

1 definition found

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

  Regularia \Reg`u*la"ri*a\ (r[e^]g`[-u]*l[=a]"r[i^]*[.a]), n. pl.
     [NL.] (Zool.)
     A division of Echini which includes the circular, or regular,
     sea urchins.
     [1913 Webster]