sheet anchor
Americannoun
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Nautical. a large anchor used only in cases of emergency.
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a final reliance or resource, as when in danger.
noun
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nautical a large strong anchor for use in emergency
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a person or thing to be relied upon in an emergency
Etymology
Origin of sheet anchor
First recorded in 1485–95
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Yet, Jane — Tomalin calls her “the true heroine of this story” — remained the sheet anchor of his life, as well as his typist.
From Washington Post ● Nov. 2, 2021
In summer he manages his two dairy farms, calls them "a sheet anchor against inflation."
From Time Magazine Archive
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Evergreens are the sheet anchor, relieved with a few deciduous shrubs grouped amongst them.
From Trees and Shrubs for English Gardens by Ernest Thomas Cook
The sheet anchor was then weighed, when, on its coming above water, it was found that both the flukes had gone.
From The Three Admirals by J.R. Wells
Geoffrey Hamlyn was my sheet anchor, but did not seem to be supported by the scraps of prosaic history obtainable; we could not verify those charming homes and social customs.
From Thirty Years in Australia by Ada Cambridge
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.