Source : Webster's Revised Unabridged Dictionary (1913)

Somatopleure \So"ma*to*pleure\, n. [Gr. sw^ma, sw`matos, body +
   pleyra` side.] (Anat.)
   The outer, or parietal, one of the two lamell[ae] into which
   the vertebrate blastoderm divides on either side of the
   notochord, and from which the walls of the body and the
   amnion are developed. See {Splanchnopleure}.