Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† strangūrĭa, ae, f., = στραγγουρία, a painful discharge of urine, strangury, Cato, R. R. 127; Cic. Tusc. 2, 19, 45; Plin. 27, 11, 74, § 99 (in Cels. 2, 1 med. written as Greek, and transl. by urinae difficultas).