Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
vĕrētrum, i, n. [vereor; cf. verendus, 2.], the private parts, Phaedr. 4, 14, 1; Suet. Tib. 62; Arn. 5, 165: muliebre, Cael. Aur. Tard. 5, 10, 16; Scrib. Comp. 234; App. Herb. 201.