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Webster 1913 Edition
Quadrigeminous
{
Quadˊri-gem′i-nal
,Quadˊri-gem′i-nous
, }Adj.
[
Quadri-
+ L. gemini
twins.] 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.