grus, grŭis (also in the nom. sing. gruis, Phaedr. 1, 8, 7), f. (m., Hor. S. 2, 8, 87) [Gr. γέρανος, akin to γέρων],
I a crane , Plin. 10, 23, 30, § 60; Cic. N. D. 2, 49, 125; Mart. 13, 75; Cels. 2, 18; Lucr. 4, 181; regarded by the Romans as a delicacy, Hor. S. 2, 8, 87; Gell. 7, 16, 5; Stat. S. 4, 6, 8.—
II Transf. (with reference to the form of a crane's bill), a besieging machine , battering-ram , called also corvus, Vitr. 10, 19.