\Sy*co"nes\, n. pl. [NL., fr. Gr. ? a fig.] (Zo["o]l.)
A division of calcareous sponges.
Note: They usually resemble a fig, being vase-shaped with a
      fringed opening at the summit. The feeding cells are in
      ampull[ae] connected with radial tubes in the thickened
      walls of the body.