Daily Almanac for
Dec 1, 2009
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linch•pin



Pronunciation: (linch'pin"), [key]
n.
1. a pin inserted through the end of an axletree to keep the wheel on.
2. something that holds the various elements of a complicated structure together: The monarchy was the linchpin of the nation's traditions and society. Also,lynchpin.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Lin BiaoLincoln
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