Definition of "laburnum" []

• Any of several trees or shrubs of the genus Laburnum, especially L. anagyroides, which is cultivated for its drooping clusters of yellow flowers. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Irishman dwelling with Englishmen, was directed to have a bow of his own height made of yew, wych-hazel, ash, or awburne -- that is, laburnum, which is still styled "awburne saugh," or awburne willow, in many parts of Scotland."
• "The windows were open, and the orioles were singing in the great elm-tree, and the laburnum was a bower of gold."
• "Tabex tablets contain cytosine, a substance found in the seeds of a tree called laburnum that produces yellow pea-flowers, which mimics the effect of nicotine."