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bonsai

American  
[bahn-zahy, bahn-zahy, bohn-, -sahy] / ˈbɑn zaɪ, bɑnˈzaɪ, boʊn-, -saɪ /

noun

bonsai plural
  1. a tree or shrub that has been dwarfed, as by pruning the roots and pinching, and is grown in a pot or other container and trained to produce a desired shape or effect.

  2. the art or hobby of developing and growing such a plant or plants.


bonsai British  
/ ˈbɒnsaɪ /

noun

  1. the art of growing dwarfed ornamental varieties of trees or shrubs in small shallow pots or trays by selective pruning, etc

  2. a tree or shrub grown by this method

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of bonsai

1945–50; < Japanese bon-sai tray planting < Middle Chinese, equivalent to Chinese pén tray + zāi plant, shoot

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Developers, researchers, and other users can download PrismML’s open source 1-bit Bonsai 8B model free.

From The Wall Street Journal • Mar. 31, 2026

PrismML’s Bonsai 8B model reduces memory to 1 gigabyte, boosts processing speeds by eight times, and raised $16.25 million.

From The Wall Street Journal • Mar. 31, 2026

Another website, Bonsai Empire, lists bonsai clubs throughout the United States, some of which will accept bequeathed trees.

From Seattle Times • Apr. 11, 2024

A: On resources like the website Bonsai Nut one can find a wealth of information about caring for the miniature trees.

From Seattle Times • Apr. 11, 2024

Through the glass windows of the exit doors, I could see the headmaster, Mr. Bonsai, wrestling with the lode, a crowd of teachers piling up behind him.

From "The Sea of Monsters" by Rick Riordan

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