Monocardian

1 definition found

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

  Monocardian \Mon`o*car"di*an\, a. [Mono- + Gr. ? heart.] (Zool.)
     Having a single heart, as fishes and amphibians. -- n. An
     animal having a single heart.
     [1913 Webster]