Xylariaceae Xylaria • xylate · · · Info · Definitions · Characters · · Xylariaceae · · Text Latin · · Script 11 · · Length Definitions · · · (noun) family of fungi characterized by dark brown to black spores. Synonyms: family Xylariaceae. · · Noun Definition 1 Characters · · X latin capital letter x U+0058 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C r latin small letter r U+0072 y latin small letter y U+0079