I. ˈ ̷ ̷ˌ ̷ ̷ adjective
Etymology: from fly back, v.
: tending to fly back or capable of flying back: as
a. of a stopwatch or chronograph : having a sweep second hand that may be made to fly back to zero
b. of fur, hair, or feathers : having a tendency to fall back into position when brushed the wrong way
II. noun
Etymology: from fly back, v.
1. : the return to zero of the second hand or the split-second hand of a stopwatch or chronograph
2. : the return of a cathode-ray beam in a television picture tube after it has traced one picture before it traces the next