Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ēmĭnŭlus, a, um, adj. dim. [emineo], projecting a little (perh. only in Varro): genua (boum), Varr. R. R. 2, 5, 8: dentes, id. ib. 2, 9, 3: spina, id. ib. § 4.