Webster's Revised Unabridged Dictionary · 1913

Midrib

Midrib , noun

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

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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