Wiktionary
cross off
vb. 1 (context idiomatic English) To strike out; to cross out; to draw a line through. 2 (context idiomatic English) To finish; to mark something as complete.
WordNet
cross off
v. remove from a list; "Cross the name of the dead person off the list" [syn: cross out, strike out, strike off, mark]
Usage examples of "cross off".
You know perfectly well that the moment you get on the other side, if you do, you'll be jerking the cross off your collar and bullying some wretched soldier to give you his gun.
For example, despite his great popularity, Zell had tried and failed to get the state legislature to take the Confederate cross off the state flag, and when his successor, Governor Roy Barnes, did it, he was defeated for reelection.