Source : Webster's Revised Unabridged Dictionary (1913)

Aplacophora \Ap`la*coph"o*ra\, n. pl. [NL., fr. Gr. 'a priv. + ?
   a flat cake + ? to bear.] (Zo["o]l.)
   A division of Amphineura in which the body is naked or
   covered with slender spines or set[ae], but is without shelly
   plates.

Source : WordNet®

Aplacophora
     n : an order of Amphineura [syn: {Solenogastres}, {order
         Solenogastres}, {order Aplacophora}]