Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
praenum, i, n.
- I. Lit., an implement for combing flax, a hatchel, Gloss. Philox.
Hence,
- II. Transf., an instrument of torture, a rack: tentare praenum, Tert. Apol. 5.