'Nectosack' definitions:

Definition of 'Nectosack'

From: 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]