Backlash

For interlocking gears, what is backlash?

Hint
Sometimes referred to lash, play, or slop.
Backlash is the max distance or angle through which any part of a mechanical system may be moved in one direction without applying appreciable force or motion to the next part in mechanical sequence. In the context of gear trains and gears, it is the clearance between the interlocking teeth.
Backlash is the max distance or angle through which any part of a mechanical system may be moved in one direction without applying appreciable force or motion to the next part in mechanical sequence.