heart·​wood | \ ˈhärt-ˌwu̇d How to pronounce heartwood (audio) \

Definition of heartwood

: the older harder nonliving central wood of trees that is usually darker, denser, less permeable, and more durable than the surrounding sapwood

Examples of heartwood in a Sentence

Recent Examples on the Web But it’s not the leaves or flowers that make sandalwood so prized – it’s the aromatic heartwood. Katie Chang, Forbes, 24 Apr. 2022 If an affected tree is cut down, the heartwood is darker in color than surrounding wood, thus the name wetwood. oregonlive, 13 Mar. 2022 Though dozens of mills have closed over the decades, trucks still hurtle down Highway 20 carrying stacks of hulking redwoods, easy to distinguish by their crimson heartwood. Los Angeles Times, 19 Feb. 2022 When building a planter, choose one of the all-heartwood grades. Popular Mechanics Editors, Popular Mechanics, 29 May 2021 From the dark heartwood to the light edges, the elegance is in the grain. Judy Rose, Detroit Free Press, 24 July 2021 Oudh is an oleoresin, born out of a fungal attack upon the heartwood of a perfectly ordinary slim-limbed tree, native to South and Southeast Asia, known as Aquilaria malaccensis. New York Times, 10 May 2021 An old log lay on the angle of repose, poised to roll over broken stones, and chunks of heartwood were newly exposed, beetles and ants flowing in lines with white fungi in their clutches. Suzanne Simard, Wired, 7 May 2021 However, the severe topping of the tree has led to decay through the heartwood of the trunk. Neil Sperry, San Antonio Express-News, 2 Apr. 2021 See More

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

First Known Use of heartwood

circa 1575, in the meaning defined above

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The first known use of heartwood was circa 1575

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Last Updated

1 May 2022

Cite this Entry

“Heartwood.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heartwood. Accessed 28 May. 2022.

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More Definitions for heartwood


heart·​wood | \ ˈhärt-ˌwu̇d How to pronounce heartwood (audio) \

Kids Definition of heartwood

: the usually dark wood in the center of a tree

More from Merriam-Webster on heartwood

Britannica.com: Encyclopedia article about heartwood


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