1Each of the hollow veins that form the framework of an insect's wing.
- ‘Basically the neuration of each wing consists of a basal ‘cell’ from which a number of nervures are given off radially.’
- 1.1Botany The principal vein of a leaf.
Early 19th century: from French, from nerf ‘nerve’.
We take a look at several popular, though confusing, punctuation marks.