Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† scāzon, ontis, m., = σκάζων (limping), an iambic trimeter, with a spondee or trochee in the last foot, Plin. Ep. 5, 11, 2; cf. Mart. 1, 97, 1; 7, 25, 1.