Try Our Apps
a person who collects the numbers of railway locomotives
) a person who is obsessed with trivial details, esp of a subject generally considered uninteresting
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
Cite This Source
Discover our greatest slideshows
Baseball Slang True Fans Should...
Use One Of These Words To Avoid...
Words Built For Speed
Hasta la Vista! 8 Goodbyes Worth...
Browse more topics on our blog
What Is the Difference Between Discreet and Discrete?
Learn the correct uses of these two commonly confused homophones.
What Character Was Removed from the Alphabet?
What mistaken pronunciation gave this character its name?
This small mark has two primary uses: to signify possession or omitted letters.
How Do I Get a Word into the Dictionary?
People invent new words all the time, but which ones actually make it?
Word of the Day
Word Value for
Words With Friends
Nearby words for train spotter
train of thought