† minucaObs.rare. In 6 mynuca. [app.med.L.; cf.med.L. nucha in the same sense (? a. Arab.nuχχ marrow, or nuχṭ spinal marrow).] The spinal cord. 1548–77Vicary Anat. ii. (1888) 19 The Sinew..[has] his beginning from the braine, or from Mynuca, which is the marowe of the backe.