acraspeda

1 definition found

acraspeda - Collaborative International Dictionary of English v.0.48 :

  Acraspeda \A*cras"pe*da\, n. pl. [NL., fr. Gr. 'a priv. + ?
     border.] (Zool.)
     A group of acalephs, including most of the larger
     jellyfishes; the Discophora.
     [1913 Webster]