the main vein of a leaf, running down the centre of the blade
midrib in American English
(ˈmɪdˌrɪb)
noun
the central vein, or rib, of a leaf, usually running from the stem to the apex
midrib in American English
(ˈmɪdˌrɪb)
noun
Botany
the central or middle rib of a leaf
Word origin
[1690–1700; mid- + rib1]This word is first recorded in the period 1690–1700. Other words that entered Englishat around the same time include: additive, catamaran, manta, migrate, momentum
Examples of 'midrib' in a sentence
midrib
The 120cm-tall leaves are 2cm wide and have a silvery white highlight to the midrib.
Times, Sunday Times (2015)
Each bright strap-shaped frond stands up strongly, supported by a stiff, raised midrib, all the same brilliant green.
Times, Sunday Times (2017)
It has dark aubergine foliage and buds, and distinctive dark accents along the midrib and internal veining of each leaf.
Times, Sunday Times (2018)
The mature leaves are a glossy shade of mid-green and display a burnished bronze central midrib.