[n] a turning aside (of your course or attention or concern); "a diversion from the main highway"; "a digression into irrelevant details"; "a deflection from his goal"
[n] the property of being bent or deflected
[n] the movement of the pointer or pen of a measuring instrument from its zero position
[n] the amount by which a propagating wave is bent
[n] a twist or aberration; especially a perverse or abnormal way of judging or acting