1
general::
1. Postpone, as in This issue will have to be laid over until our next meeting. [Late 1800s] 2. Make a stop in the course of a journey, as in They had to lay over for two days in New Delhi until the next flight to Katmandu. This sense gave rise to the noun lay-over for such a stopover. [Late 1800s]
American Heritage Idioms
2
general::
Phrase(s): lay something over someone or something
to cover someone or something with something. • Here, lay this blanket over the baby. • Please lay a napkin over the bread before you take it to the table.
McGrawhill's American Idioms And Phrasal Verbs