pānĭcum, i, n.,
Italian panic-grass : panicum Italicum, Linn.; Caes. B. C. 2, 22; cf. Plin. 18, 7, 10, § 53.
pānicum ī, n panis, panic-grass , Cs. ...
An Elementary Latin Dictionary
·noun A genus of grasses, including several hundred species, some of which are valuable; panic grass...
Webster's Dictionary of the English Language