sapwood

2 definitions found

sapwood - Collaborative International Dictionary of English v.0.48 :

  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.
     [1913 Webster]

sapwood - WordNet (r) 2.1 (2005) :

  sapwood
      n 1: newly formed outer wood lying between the cambium and the
           heartwood of a tree or woody plant; usually light colored;
           active in water conduction