Rootstock

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Rootstock \Root"stock`\, n. (Bot.)
     A perennial underground stem, producing leafly stems or
     flower stems from year to year; a rhizome.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  rootstock
       n 1: a horizontal plant stem with shoots above and roots below
            serving as a reproductive structure [syn: {rhizome}, {rootstalk}]
       2: root or part of a root used for plant propagation;
          especially that part of a grafted plant that supplies the
          roots