† grostéObs.rare. [a. OF.grosseté:—med.L. grossitāt-em grossity.] Grossness; in quots.concr. gross or thick parts. 1460–70Bk. Quintessence i. 5 Þat..þe grosté of þe mater of þe watir descende dounward to þe necke.Ibid., Þe grosté schal abide byneþe in þe botme.