What does neuras mean in Latin?

neuras, a noun, means “The plant”.

noun

neuras

neuras (nevras), ădis, f., = νευράς,

I. The plant manicon, which excites the nerves, Plin. 21, 31, 105, § 179.—

II. A plant, called also poterion: poterion, aut ut alii vocant, phrynion, vel nevras, Plin. 27, 12, 97, § 122.

nevras, adis, v. neuras.