From Longman Dictionary of Contemporary Englishcross something ↔ out phrasal verbWRONG/INCORRECTto draw a line or lines through something you have written or drawn, usually because it is wrong I crossed out ‘Miss’ and wrote ‘Ms’. → cross→ See Verb table
Examples from the Corpus
cross out• He began to write about one such P'daytaism, and then crossed it out.• Or would have appeared if you had not crossed it out.• The result was a white cross that stood out among the familiar neon logos of airlines and oil companies.• Or shall I cross that out and say it is sad?• And Cross soon careered out of control, relying for information on the local International Monetary Fund office.• He made a hasty sign of the cross and rushed out of the church.• Red Cross workers handed out orange juice to children in the 35C heat.• You write text, you doodle, you cross things out... quite literally a tabula rasa.