Countercheck

v. t.	1.	To oppose or check by some obstacle; to check by a return check. [imp. & p. p. Counterchecked (-ch?ckt"); p. pr. & vb. n. Counterchecking.]
n.	1.	A check; a stop; a rebuke, or censure to check a reprover.
	2.	Any force or device designed to restrain another restraining force; a check upon a check. The system of checks and counterchecks. - J. H. Newton.

Noun	1.	countercheck - a check that restrains another check
	2.	countercheck - something that checks the correctness of a previous check Synonyms: double check
Verb	1.	countercheck - oppose or check by a counteraction Synonyms: counteract
	2.	countercheck - check a second time

check, contain, control, counteract, curb, hold, hold in, moderate