Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
sarcĭnātor, ōris, m. [sarcio], a patcher, botcher, mender of old garments (anteand post-class.), Lucil. ap. Non. 175, 33; Plaut. Aul. 3, 5, 41; Dig. 4, 4, 5; 47, 2, 82; 14, 4, 1; cf. Serv. ad Verg. A. 12, 13.