single-track [sing-guh l-trak] EXAMPLES|WORD ORIGIN adjective (of a railroad or section of a railroad’s route) having but one set of tracks, so that trains going in opposite directions must be scheduled to meet only at points where there are sidings. having a narrow scope; one-track: He has a single-track mind.
Origin of single-track An Americanism dating back to 1825–35 Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 Examples from the Web for single-track Historical Examples of single-track
That cutting-wheel approximates the width of a single-track in diameter.
You are standing with him beside a curving bit of single-track.
The railroad was single-track, so trains could pass only where there was a siding.
Alfred Bishop Mason
“Mine is a single-track mind,” he remarked as though to himself.
“You’ve sure got a single-track mind, boy,” Strawn chuckled.
British Dictionary definitions for single-track single-track adjective (of a railway) having only a single pair of lines, so that trains can travel in only one direction at a time (of a road) only wide enough for one vehicle able to think about only one thing; one-track 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