nAmphiaster(Biol) The achromatic figure, formed in mitotic cell-division, consisting of two asters connected by a spindle-shaped bundle of rodlike fibers diverging from each aster, and called the spindle.
Century Dictionary and Cyclopedia
namphiasterA genus of starfishes, of the family Goniasteridæ. A. insignis is a beautiful Californian species with short flat arms, flat disk, and regularly arranged spines and tessellated plates.
namphiaster[lowercase] In embryology, a formation in a maturing ovum of a fusiform figure radiated at either end, thus resembling two stars joined together, whence the name. See extract.
namphiaster[lowercase] A sponge-spicule consisting of a straight axis with a whorl of rays near each end.