[sap-woo d]

noun Botany.

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

Nearby words

  1. saprozoonosis,
  2. saps,
  3. sapsago,
  4. sapsucker,
  5. sapulpa,
  6. saqqara,
  7. sar,
  8. sar.,
  9. sara,
  10. saraband

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



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



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.