Wiktionary
double checks
n. (double check English) vb. (en-third-person singulardouble check)
Usage examples of "double checks".
How could TRX and AeroTech's checks and double checks and Quality Assurance programs all go south at precisely the same time?
I remember she told the whole class that this was the first year she had ever had to give double checks to any student, and everyone in the room was scared to open his report card to see if he had got the double checks.
And when I opened mine, there they were, two sets of double checks, on acting impetuously and on not accepting criticism, and single checks on everything else.