a person or thing that splits logs into rails, especially for fences.
(initial capital letter) nickname of Abraham Lincoln.

Origin of rail-splitter

An Americanism dating back to 1855–60; rail1 + splitter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for rail-splitter

Historical Examples of rail-splitter

Word Origin and History for rail-splitter

1853, from rail (n.1) + agent noun from split (v.). Usually with reference to or suggestion of U.S. president Abraham Lincoln, as it figured in his political biography.

Online Etymology Dictionary, © 2010 Douglas Harper