English
flexbone
Blend of flexible + wishbone.
A blend of flexible + wishbone
Latin flectō ‘to bend, curve’
Latin flexibilis ‘flexible, pliant, able to be bent’
Middle French flexible
English flexible
Today it means
noun A formation involving three running backs in which a fullback is lined up behind the quarterback and two slotbacks are lined up behind the line of scrimmage at each end of the offensive line.
Language periods are conventional ranges, not dates for this word.
Etymograph / flexbone