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Yours, Etc.: Origins and Uses of 8 Sign-Offs

trunk line

noun
1.
a major long-distance transportation line.
2.
trunk (def 8).
Origin
1850-1855
1850-55
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for trunk-line

trunk line

noun
1.
a direct link between two telephone exchanges or switchboards that are a considerable distance apart
2.
the main route or routes on a railway
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Value for trunk

9
11
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