Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Māmū̆rĭus, ii, m., in full, Mamurius Veturius, the maker of the ancilia; v. ancile, Paul. ex Fest. p. 131 Müll.; Ov. F. 3, 391; Prop. 4 (5), 2, 61 (where Müll. Mamurri).
Varro explains in an entirely different manner the expression, Mamuri Veturi, which he considers an appellative, signifying memoriam veterem, Varr. L. L. 6, § 45 Müll.