Hordeum hordenine • horehound · · · Info · Definitions · Characters · · Hordeum · · Text Latin · · Script 7 · · Length Definitions · · · (noun) annual to perennial grasses of temperate northern hemisphere and South America: barley. Synonyms: genus Hordeum. · · Noun Definition 1 Characters · · H latin capital letter h U+0048 d latin small letter d U+0064 e latin small letter e U+0065 m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 u latin small letter u U+0075