Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

rătĭōnārĭum, ĭi, n. [ratio], a statistical table, schedule, book of accounts: imperii, Suet. Aug. 28 (for which: breviarium imperii, id. ib. 101; cf. Tac. A. 1, 11).