Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† anthus, i, m., = ἄνθος (cf. τὸ ἄνθος = blossom, brilliancy), a small bird, prob. the yellow wagtail: Motacilla flava, Linn.; Plin. 10, 42, 57, § 116; 10, 74, 95, § 1206.