midrib

mid·rib

M0286300 (mĭd′rĭb′)n. The central or principal vein of a leaf.

midrib

(ˈmɪdˌrɪb) n (Botany) the main vein of a leaf, running down the centre of the blade

mid•rib

(ˈmɪdˌrɪb)

n. the central or middle rib of a leaf. [1690–1700]

mid·rib

(mĭd′rĭb′) The central or main vein of a leaf. See more at leaf.

Thesaurus

Noun

1.

midrib - the vein in the center of a leaf midveinnervure, vein - any of the vascular bundles or ribs that form the branching framework of conducting and supporting tissues in a leaf or other plant organ