To place in a position of rest on the ground or any other supporting surface; to deposit in some situation specified by means of an adverb or phrase…

transitive. To prostrate, lay on the ground.

transitive. To lay prostrate; to lay out (a corpse). Also with out. Cf. stretch, v. 1b.

To lay out flat; to bring or knock to the ground; to stretch out prone or lifeless. Frequently in passive (often with by). In later use chiefly poetic…

transitive. To cause to lay flat on the ground; to overthrow, knock down, level (something erect, as a house, a tree, a person, etc.).

transitive. To cast down or lay flat. Chiefly reflexive: to prostrate oneself.

transitive. To splinter, split, break up, lay open or flat.

transitive (reflexive and in passive). = prostrate, v. 4 (sometimes with overtones of sense 2). Cf. prostitute, adj. 4. Obsolete.

transitive. To cast down or lay low; = prostern, v.

To throw down on the ground, lay flat. Now only of rain or wind: To beat down crops. (Cf. ledge, see lay, v.1 1c.)

transitive. To lay flat on the ground. Obsolete. rare.