Emily Dickinson Lexicon

PROS'TRATE, a. [L. prostratus, from prosterno, to lay flat; pro and sterno.]

1. Lying at length, or with the body extended on the ground or other surface. Groveling and prostrate on yon lake of fire. – Milton.
2. Lying at mercy, as a supplicant. – Shak. Chapman.
3. Lying in the posture of humility or adoration. Milton. Pope.