lay under

lay something under something

to place something beneath something. Please lay a cloth under your workbench to catch the sawdust. Would you mind laying a sheet of plastic over the table?
See also: lay
References in classic literature ?
Thenceforward he found no more gold under his pillow, and it lay under the maiden's; but he was so much in love and so much bewitched that he thought of nothing except spending all his time with the maiden.