Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

Signĭa, ae, f., an ancient town in Latium which produced an astringent wine, now Segni, Liv. 1, 56; 2, 21 fin.; 8, 3; 32, 2; Plin. 14, 6. 8, § 65; Sil. 8, 380.
Hence, Signīnus, a, um, adj., of or belonging to Signia, Signian: vinum, Cels. 4, 5; 4, 19 fin.; Mart. 13, 116: pira, Col. 5, 10, 18; Plin. 15, 15, 16, § 55; Juv. 11, 73 al.: opus, a kind of plaster for walls and pavements, made of potsherds and lime, Vitr. 2, 4; 7, 11; 8, 7; Col. 1, 6, 12; 8, 15, 3; 8, 17, 1.
As subst.

    1. 1. Signīnum, i, n., = Signinum opus, Col. 9, 1, 2; Plin. 35, 12, 46, § 165.
    2. 2. Signīni, ōrum, m., the inhabitants of Signia, Signians, Liv. 27, 10; Plin. 3, 5, 9, § 64.