Whence maple syrup

• Newly formed outer wood lying between the cambium and the heartwood of a tree or woody plant
• Active in water conduction
• Usually light colored

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

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Sapwood \Sap"wood`\, n. (Bot.) 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 .

Wikipedia Word definitions in Wikipedia
Sapwood may refer to: Sapwood (wood) , the part of living wood where sap flows, as distinct from the heartwood, where it doesn't SS-6 Sapwood , the NATO reporting name for the R-7 Semyorka intercontinental ballistic missile

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ Division of these cells adds new bark to the outer side of the cambium and new sapwood to the inside. ▪ The growth region is a thin band of cells called the cambium, which lies between the bark and the sapwood . ▪ The infection ...

WordNet Word definitions in WordNet
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