Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† lărus (lăros), i, m., = λάρος, a ravenous sea-bird, perh. the mew, Vulg. Lev. 11, 16; id. Deut. 14, 15; cf.: larus, λάρος, Gloss. Philox.