(American football) a running play in which a back running in one direction hands the ball to a back running in the opposite direction | the act of changing one thing for another thing |
turning in the opposite direction | mutual interaction; the activity of reciprocating or exchanging (especially information) |
the gears by which the motion of a machine can be reversed | reciprocal transfer of equivalent sums of money (especially the currencies of different countries) |
the side of a coin or medal that does not bear the principal design | a junction of highways on different levels that permits traffic to move from one to another without crossing traffic streams |
an unfortunate happening that hinders or impedes; something that is thwarting or frustrating | |
a relation of direct opposition | |