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

cirripedia \cir`ripe"dia\, n. pl. nl., fr. l. cirrus curl +
   pes, pedis, foot. zool.
   an order of crustacea including the barnacles. when adult,
   they have a calcareous shell composed of several pieces. from
   the opening of the shell the animal throws out a group of
   curved legs, looking like a delicate curl, whence the name of
   the group. see anatifa.
   1913 webster
see also:
anatifa 

[2] : WordNet (r) 2.0

cirripedia
     n : barnacles syn: subclass cirripedia
see also:
subclass cirripedia 

Cirripedia >> C Words
Cirripedia, definition of term: Cirripedia
cirripedia_pag1.html