flec·tion (fl?k?sh?n)n. Variant of flexion..flec?tion·al adj.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.flection (?fl?k??n) n1. the act of bending or the state of being bent2. something bent; bend3. (Grammar) grammar a less common word for inflection[C17: from Latin flexi? a bending, from flectere to curve, bow] ?flectional adj ?flectionless adjCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014