Obs. rare. [ad. L. umbrōsitas, f. umbrōsus: see prec. and -ITY. Cf. It. ombrosità, obs. F. ombrosité, umbrosité.] The state or condition of being shady.
1646. Sir T. Browne, Pseud. Ep., II. i. 55. Oyled paper … becommeth more transparent, and admits the visible rayes with lesse umbrosity.
1650. Bulwer, Anthropomet., v. (1653), 100. Kypler would not have this notion neglected, that the Haires of the Eye-lids do chiefly conduce to their umbrosity.
