Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
hordĕum (also ordeum, and arch. fordeum acc. to Quint. 1, 4, 14), i. n. [Sanscr. root ghars-, to rub, grind; O. H. Germ. Gers-ta], barley, Plin. 18, 7, 10, § 58; Cato, R. R. 35, 2; Varr. R. R. 2, 4, 6; Col. 2, 9, 3 sq.; Liv. 27, 13, 9; Suet. Aug. 24: frugibus legatis hordeum continetur, Paul. Sent. 3, 6, 78.
In plur., Verg. E. 5, 36; id. G. 1, 317; on account of this plur. he was abused by the poet Bavius; v. Bavius; cf. also: hordea et mulsa non alio vitiosa sunt, quam quod singularia pluraliter efferuntur. Quint. 1, 5, 16; plur. also Plin. 18, 7, 10, § 56.