\Rhab`do*c[oe]"la\ (r[a^]b`d[-o]*s[=e]"l[.a]), n.
pl. [NL., fr. Gr. "ra`bdos a rod + koi^los hollow.]
(Zo["o]l.)
A suborder of Turbellaria including those that have a simple
cylindrical, or saclike, stomach, without an intestine.