[ sap-woo d ]
/ ˈsæpˌwʊd /

noun Botany.

the softer part of the wood between the inner bark and the heartwood.

Origin of sapwood

First recorded in 1785–95; sap1 + wood1
Also called alburnum. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sapwood

British Dictionary definitions for sapwood


/ (ˈsæpˌwʊd) /


the soft wood, just beneath the bark in tree trunks, that consists of living tissueCompare heartwood
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

Science definitions for sapwood


[ săpwud′ ]

The younger layers of new wood produced by the interior side of the vascular cambium within a tree trunk. Sapwood is active in the conduction of water and is usually lighter in color than heartwood.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.