Zoology belonging to the Diploneura (Grant's term for the Articulata, as having a double nerve-cord running along the body). [After scientific Latin Diploneura (1833 in Grant, or earlier).]
ΚΠ
1836–9 Todd's Cycl. Anat. & Physiol. II. 412/2 Belonging to the diploneurose..divisions of the animal kingdom.