Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
tŏmācŭlum, or, contr., tŏmā-clum, i, n. [τομή, a cutting in pieces], a kind of sausage, probably similar to our brain- or liver-sausage, Juv. 10, 355; Mart. 1, 42, 9; Petr. 31 fin.; 39 fin.; v. the preced. art., and cf. Becker, Gallus, 3, p. 193 (2d edit.).