lay (something) under (someone or something)

lay (something) under (someone or something)

To place or drape something beneath someone or something. Please be sure to lay a tarpaulin under the space where you will be painting. She laid a placemat under the child's plate so food wouldn't get on the table.
See also: lay
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

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
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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