Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
līmōsus, a, um, adj. [2. limus], full of mud or slime, slimy, miry, muddy: quae (aqua) flumine Nilo fertur, adeo est limosa atque turbida, etc., Hirt. B. Alex. 5: limosoque palus obducit pascua junco, i. e. growing in muddy places, Verg. E. 1, 49; cf. radix, Plin. 27, 1, 17, § 34: lacus, Verg. A. 2, 135: ripae, Ov. Am. 3, 6, 1: harena, id. Tr. 4, 1, 7.
Plur. absol.: līmōsa, ōrum, n., muddy or miry places, Plin. 9, 42, 66, § 142.