(ˈræbdəˌsiːl) n (Animals) any of several small flatworms of the division Turbellaria, which have a pouch-shaped digestive cavity
rhab•do•coele
(ˈræb dəˌsil)
n. a turbellarian flatworm of the order Neorhabdocoela, having a simple saclike digestive system. [1875–80; < New Latin Rhabdocoela order name; see rhabdo-, -coele]