singŭlārĭtas, ātis, f. [singularis].
I In gen., a being alone or single , singleness (post-class.), Tert. adv. Valent. 37; id. Anim. 13; id. Exhort. ad Cast. 1; Salv. Cont. Avar. 7, p. 70.—
II In partic., in gram., the singular number , Charis. p. 72 P.—
III In arithmetic, unity , the number one : singularitas omnibus mensura communis, Mart. Cap. 7, §§ 750 and 774.