countercheck

nouns

a check that restrains another check
is a type of (narrower)
the state of inactivity following an interruption
"the negotiations were in arrest"; "held them in check"; "during the halt he got some lunch"; "the momentary stay enabled him to escape the blow"; "he spent the entire stop in his seat"
something that checks the correctness of a previous check

verbs

oppose or check by a counteraction
check a second time
is a type of (narrower)
make an examination or investigation
"check into the rumor"; "check the time of the class"