lay in

lay in idiom
Also, lay up. Stock or store for future use, as in We laid in supplies for the winter, or Are you sure you've laid up enough material? The first term dates from the late 1500s, the second from about 1400. Also see lay aside, def. 2; lay down, def. 4.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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