Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
lătĕrīcĭus or -tĭus, a, um, adj. [later], made or consisting of bricks: turris, Caes. B. C. 2, 10; 2, 14: muri, id. ib. 2, 15: opus, brickwork, Col. 9, 6, 4: urbs, built of bricks, Suet. Aug. 28: paries, Plin. 18, 30, 73, § 301.
Hence, subst.: lătĕrīcĭum, ii, n., brickwork: ne saxa ex catapultis latericium discuterent, Caes. B. C. 2, 9, 4.
lătĕrītĭus, v. latericius.