Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
crātĭcŭla, ae, f. dim. [cratis], prop., fine hurdle-work; hence, a small gridiron, Mart. 14, 221, 1; Cato, R. R. 13, 1; Petr. 31, 11; 70, 7.