from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The newly formed outer wood located just inside the vascular cambium of a tree trunk and active in the conduction of water. Sapwood is usually lighter in color than heartwood.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The wood just under the bark of a stem or branch, different in color from the heartwood

from the GNU version of the Collaborative International Dictionary of English

  • n. The alburnum, or part of the wood of any exogenous tree next to the bark, being that portion of the tree through which the sap flows most freely; -- distinguished from heartwood.

from The Century Dictionary and Cyclopedia

  • n. Alburnum.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. newly formed outer wood lying between the cambium and the heartwood of a tree or woody plant; usually light colored; active in water conduction


Sorry, no etymologies found.


  • The sapwood is probably removed within 100-200 years of study. ..sapwood is outer 20-150 avg 75 rings….

    Lamarche on Treelines #2 « Climate Audit

  • The heartwood is a red or pinkish color, the sapwood, which is considerable, is a creamy white.

    Seasoning of Wood

  • The sapwood is the external and youngest portion of the tree, and often constitutes a very considerable proportion of it.

    Seasoning of Wood

  • What flows through the "sapwood" is chiefly water brought from the soil.

    Seasoning of Wood

  • For the left side of the ‘volume’ mature wood was selected and for the right side sapwood, while the fore-edge was made from heartwood; the top surface incorporated cross-sections from branches of various ages while the bottom surface showed a section through the trunk …


  • A small wooden shack with a carved wooden placard labeled "office" is surrounded by neatly stacked and bound pallets of sapwood.

    Mark Cassello: Can America Return to an Indigenous Economy?

  • Once under the bark, adults engrave egg galleries into the sapwood, disrupting the flow of water and nutrients to that portion of the plant.

    White fir

  • I don't know whether a bow that was all heartwood or all sapwood would still work, if not quite as well, or if it wouldn't work at all.

    Bowmen in medieval Wales

  • If I remember rightly, the heartwood and sapwood of yew have different properties and if you get them the right way round on the front and back of the longbow you get an exceptionally powerful weapon.

    Bowmen in medieval Wales

  • I should think it would be a fair number, though presumably you'd have to take them from a sort of ring around the junction of the heartwood with the sapwood, since a bowstave was supposed to have both types of wood in the right positions.

    Bowmen in medieval Wales


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