overcheck

over- +‎ check

overcheck (plural overchecks)

1. A check pattern that is superimposed upon another pattern
2. A strap that stretches from the pollstrap of the bridle to the saddle

overcheck (third-person singular simple present overchecks, present participle overchecking, simple past and past participle overchecked)

1. (transitive) To check or verify more than necessary.
   • 2010, Euan Sinclair, Option Trading: Pricing and Volatility Strategies and Techniques, page 20:

     When making a trade, err on the side of overchecking the contract details.

• check over