Midrib

2 definitions found

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

  Midrib \Mid"rib`\, n. (Bot.)
     A continuation of the petiole, extending from the base to the
     apex of the lamina of a leaf.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  midrib
       n : the vein in the center of a leaf [syn: {midvein}]