v. 1. or run across To find or meet by chance. He came across a dollar bill in the suit he was sending to the cleaner. The other day I ran across a book that you might like. I came across George at a party last week; it was the first time I had seen him in months.
Compare: COME ON 3 , RUN INTO(3b). 2. To give or do what is asked. The robber told the woman to come across with her purse. For hours the police questioned the man suspected of kidnapping the child, and finally he came across with the story.