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tie beam

 - 2 dictionary results

tie beam

–noun
a horizontal timber or the like for connecting two structural members to keep them from spreading apart, as a beam connecting the feet of two principal rafters in a roof truss.
See diags. under king post, queen post.


Origin:
1815–25
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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tie beam  
n.  A horizontal beam forming the base of a triangular truss for a pitched roof, connecting the two side walls and supporting a pair of principals.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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