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intercălārĭus, a, um, adj. [intercalaris], of or for insertion, intercalary: mensis, an intercalary month, Liv. 1, 19, 6; 37, 59, 2; Suet. Caes. 40; the same absol.: intercalarius, Cic. Verr. 2, 2, 52, § 130: annus, leap-year, Plin. 2, 47, 48, § 130; 18, 25, 57, § 207.