la·​bur·​num | \ lə-ˈbər-nəm How to pronounce laburnum (audio) \

Definition of laburnum

: any of a small genus (Laburnum, especially L. anagyroides) of poisonous leguminous shrubs and trees of Eurasia with pendulous racemes of bright yellow flowers

Examples of laburnum in a Sentence

Recent Examples on the Web But next winter, when temperatures cool again, the second phase of the restoration will include planting flowering trees like the white fringetree and laburnum; bulbs, including tulips; and perennials. Kathleen Beckett, New York Times, "Marie Antoinette Would Be Proud," 6 Apr. 2020 For instance, Cassia fistula or the Indian laburnum, a native tree that paints many cities yellow at the onset of summer, is pollinated by several species of carpenter bees. Kartik Chandramouli, Quartz India, "As bees feel the sting of climate change, here’s a way to let them keep buzzing," 2 Mar. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'laburnum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of laburnum

1567, in the meaning defined above

History and Etymology for laburnum

New Latin, from Latin

Keep scrolling for more

Learn More about laburnum

Time Traveler for laburnum

Time Traveler

The first known use of laburnum was in 1567

See more words from the same year

Statistics for laburnum

Cite this Entry

“Laburnum.” Dictionary, Merriam-Webster, Accessed 27 Jan. 2021.

More from Merriam-Webster on laburnum Encyclopedia article about laburnum

Comments on laburnum

What made you want to look up laburnum? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Slippery Words Quiz—Changing with the Times

  • ducreux self portrait yawning
  • What is an earlier meaning of nice?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!


Anagram puzzles meet word search.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!