Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† scŏlymos, i, m., = σκόλυμος, an edible kind of thistle, carāoon: Cynara cardunculus, Linn.; Plin. 20, 23, 99, § 262; 21, 16, 56, § 94; 22, 22, 43, § 86.