Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
‡ mŏnōdĭum, ĭi, n., = μονῴδιον, the song of a solo-singer, Diom. p. 489.
Also called mŏnōdĭa, ae, f., = μονῳδία, Isid. Orig. 6, 19, 6.