I-formationOffensive formation in which the running backs line up directly behind the quarterback.Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
I formation
I formationn. Football An offensive formation in which the running backs line up in single file behind the center and the quarterback.American 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.I formation (a?) n. a football offensive alignment in which the backs are positioned in line directly behind the quarterback. [1950?55] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.