Midrib

[midrib]

Definition

(noun.) the vein in the center of a leaf.

Editor: Rudolf--From WordNet

Definition

(n.) A continuation of the petiole, extending from the base to the apex of the lamina of a leaf.

Inputed by Bertha

Definition

n. (bot.) the continuation of the leaf-stalk to the point of a leaf.

Edited by Hattie