fpsabbr.1. feet per second2. foot-pound-second3. frames per secondAmerican Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.fps abbreviation for 1. (Units) feet per second 2. (Units) foot-pound-second 3. (Photography) photog frames per second FPS abbreviation for (Other Non-sporting Hobbies) first-person shooter Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014fps 1. feet per second. 2. foot-pound-second. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.