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.

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.
See also:
  • all right
  • (someone or something) promises well
  • a/the feel of (something)
  • (I) wouldn't (do something) if I were you
  • (have) got something going (with someone)
  • a straw will show which way the wind blows
  • accompanied by
  • accompanied by (someone or something)
  • accompany
  • a crack at (someone or something)