laburnum labs • laburnum alpinum · · · Info · Definitions · Characters · · laburnum · · Text Latin · · Script 8 · · Length 3 · · Syllables Definitions · · · (noun) flowering shrubs or trees having bright yellow flowers; all parts of the plant are poisonous. Synonyms: Laburnum, genus Laburnum. · · Noun Definition 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E r latin small letter r U+0072 u latin small letter u U+0075