Holcus holcus • holcus lanatus · · · Info · Definitions · Characters · · Holcus · · Text Latin · · Script 6 · · Length 2 · · Syllables Definitions · · · (noun) a genus of Old World grasses widely cultivated in America. Synonyms: genus Holcus. · · Noun Definition 1 Characters · · H latin capital letter h U+0048 c latin small letter c U+0063 l latin small letter l U+006C o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075