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WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
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WORDNET DICTIONARY
Noun midrib has 1 sense
- midrib(n = noun.plant) midvein - the vein in the center of a leaf; is a kind of nervure, vein
CIDE DICTIONARY
midrib, n.
A continuation of the petiole, extending from the base to the apex of the lamina of a leaf. [1913 Webster]