oat grass

any of several grasses of the genus Arrhenatherum or Danthonia, especially A. elatius, native to Europe, having a purplish-green flowering panicle.

Origin of oat grass

First recorded in 1570–80

oast-house, oastler, oat, oat cell, oat cell carcinoma, oat grass, oatcake, oaten, oater, oates, oath

They now contained a most luxuriant crop of oat-grass (Anthistiria).

Journal of an Expedition into the Interior of Tropical Australia |Thomas Mitchell
On the oat-grass and the sword-grass, and the bulrush in the pool.

Knickerbocker, or New-York Monthly Magazine, March 1844 |Various

oat grass

any of various oatlike grasses, esp of the genera Arrhenatherum and Danthonia, of Eurasia and N. Africa