What does "cross-check" mean?

To verify (information, data, or calculations) by using an alternative source or method.

What is a synonym for "cross-check"?

Common synonyms include: audit, check, check out, collate, collation, confirm.

verb

verb ·Rare ·Advanced level

Verb

1
To verify (information, data, or calculations) by using an alternative source or method.
"Aft doors armed and cross-checked."
2
check out conflicting sources; crosscheck facts, for example wordnet
3
To commit the infraction of checking an opponent by using the shaft of one's stick with both hands.

"Aft doors armed and cross-checked."

From cross- + check.