Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
tŭgŭrĭum (TEGVRIVM and TIGVRIVM in inscrr.; cf. Inscr. Orell. 1773; and ib. Labus), ii, n. [tego], a hut, cot, cottage of shepherds, peasants, etc., Varr. R. R. 3, 1, 3; Afran. and Caecil. ap. Fest. p. 355 Müll.; Cic. Sest. 43, 93; Verg. E. 1, 69; Col. 12, 15, 1; Plin. 16, 9, 14, § 35; Val. Max. 5, 4, 1; 5, 3, ext. 3; 7, 1, 2; Dig. 50, 16, 180.