Lewis & Short

mājuscŭlus, a, um, adj. dim. [major], somewhat greater or larger; somewhat great (rare but class.): folia sunt majuscula, quam hederae, Plin. 26, 6, 16, § 30: cura, Cic. Fam. 9, 10, 3.
Of age, somewhat older: hanc vicinam dico lenonis hujus meretricem majusculam, Plaut. Poen. 1, 1, 27: Thaïs, quam ego sum, majuscula est, Ter. Eun. 3, 3, 20.