sap·​wood | \ˈsap-ˌwu̇d \

Definition of sapwood 

: the younger softer living or physiologically active outer portion of wood that lies between the cambium and the heartwood and is more permeable, less durable, and usually lighter in color than the heartwood

Examples of sapwood in a Sentence

Recent Examples on the Web

The evaluation assesses the tree’s vigor, the thickness of its sapwood shell, its disease stresses, the state of the roots and the like. Adrian Higgins, idahostatesman, "Old trees will tell you when their time is up | Idaho Statesman," 17 Jan. 2018 Entering tree branches through wounds caused by any number of actions, the Hypoxylon fungus grows into sapwood, where decay begins. Sallie Lee,, "Hypoxlon canker on Oaks: Another effect of the 2016 drought," 2 Aug. 2017 The California Redwood Association (CRA) recommends using sapwood-streaked construction common or deck common redwood for decking, but Padgett prefers to use B-grade redwood, which is nearly clear of knots and contains mostly heartwood. Joseph Truini, Popular Mechanics, "How to Choose a Deck Material That Is Right for You," 6 June 2017

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

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First Known Use of sapwood

1791, in the meaning defined above

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Time Traveler for sapwood

The first known use of sapwood was in 1791

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More Definitions for sapwood


sap·​wood | \ˈsap-ˌwu̇d \

Kids Definition of sapwood

: young wood through which sap travels that is found just beneath the bark of a tree and is usually lighter in color than the heartwood

More from Merriam-Webster on sapwood Encyclopedia article about sapwood

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to clear from alleged fault or guilt

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