Quadrigeminal
Pronunciation : Quad`ri*gem"i*nal, Quad`ri*gem"i*nous
Part of Speech : a.
Etymology : [Quadri- + L. gemini twins.]
Definition : Defn: Fourfold; having four similar parts, or two pairs of similar parts. Quadrigeminal bodies (Anat.), two pairs of lobes, or elevations, on the dorsal side of the midbrain of most mammals; the optic lobes. The anterior pair are called the nates, and the posterior the testes.
Source : Webster's Unabridged Dictionary, 1913