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From The Collaborative International Dictionary of English v.0.44 [gcide]:
Midrib \Mid"rib'\, noun (Bot.) A continuation of the petiole, extending from the base to the apex of the lamina of a leaf.
From WordNet (r) 2.0 [wn]:
midrib
noun: the vein in the center of a leaf [syn: {midvein}]
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Definitions retrieved from local copies of the freely distributed DICT client/server software and databases. Click here for database copyright information. - KM |