shore up

shore up idiom
Support, prop, as in The new law was designed to shore up banks in danger of failure. This expression derives from the noun shore, meaning “prop,” a beam or timber propped against a structure to provide support. The verb shore dates from 1340 and was first recorded in a figurative context in 1581.

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.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.