Dicyemata

1 definition found

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

  Dicyemata \Di`cy*e"ma*ta\, n. pl. [NL., fr. Gr. di- = di`s-
     twice + ? an embryo.] (Zool.)
     An order of worms parasitic in cephalopods. They are
     remarkable for the extreme simplicity of their structure. The
     embryo exists in two forms.
     [1913 Webster]