Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
sĕcābĭlis, e, adj. [seco], that may be cut (post-class.), Lact. de Ira Dei, 10, 8; id. Epit. 36, 5; Hier. in Isa. 5, 18, 4; Aus. Ecl. 1, 7.