Nectosac

1 definition found

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

  Nectosac \Nec"to*sac\, Nectosack \Nec"to*sack\, n. [Gr. nhkto`s
     swimming + E. sac, sack.] (Zool.)
     The cavity of a nectocalyx.
     [1913 Webster]