a. [ L. geminus twin. ] A pair. [ Obs. ] Drayton. [ 1913 Webster ]

{ } a. [ Quadri- + L. gemini twins. ] Fourfold; having four similar parts, or two pairs of similar parts. [ 1913 Webster ]

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. [ 1913 Webster ]

{ } a. [ See Tergeminous. ] (Bot.) Thrice twin; having three pairs of leaflets. [ 1913 Webster ]

a. [ See Trigeminous. ] (Anat.) Of, pertaining to, or designating, the fifth pair of cranial nerves, which divide on each side of the head into three main branches distributed to the orbits, jaws, and parts of the mouth; trifacial. [ 1913 Webster ]