Found 2 items, similar to midrib.
English → English (WordNet) Definition: midrib midrib n : the vein in the center of a leaf [syn: midvein]
English → English (gcide) Definition: Midrib 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]