Pentacrinoid

1 definition found

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

  Pentacrinoid \Pen*tac"ri*noid\, n. [Pentacrinus + -oid.] (Zool.)
     An immature comatula when it is still attached by a stem, and
     thus resembles a Pentacrinus.
     [1913 Webster]