adjective.
Having both a digestive and a circulatory function, as the guts of flatworms and cnidarians.
The Century Dictionary and Cyclopedia
Common to or serving alike for the functions of digestion and circulation, as the body-cavity of some animals, or pertaining to the organs concerned in these processes.
the GNU version of the Collaborative International Dictionary of English
adjective.
Having the structure, or performing the functions, both of digestive and circulatory organs.