From Longman Dictionary of Contemporary Englishlaburnumla‧bur‧num /ləˈbɜːnəm $ -ɜːr-/ noun [countable, uncountable] HBPa small tree with long hanging stems of yellow flowers and poisonous seeds
Examples from the Corpus
laburnum• The dividing wall was placed so a well established laburnum remained in one corner of their garden.• She sweeps the fallen laburnum flowers in the spring and autumn leaves in autumn.• Deadly nightshade, laburnum and curare are all extremely poisonous and peppermint oil can cause gastric ulcers.• A scent came to her nostrils, like the mingled smell of laburnum honey and lobster thermidor.• Imagine the effect of a pergola, ablaze with laburnum. 