Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
lōrīcātĭo, ōnis, f. [lorica], a clothing in armor, an arming; hence, transf., duplex, a double flooring, double pavement, Vitr. 7, 1; so, loricationes, Paul. Dig. 50, 16, 79 fin.