verb. The relatively simple action of tossing useless documents or other papers you don't care about into the trash bin (usually round in shape). The lowest priority of filing systems...yet amazingly effective.
noun. The garbage can
"Your jury summons came in the mail, I round filed it for you."
"Thanks for saving me the time."
"After the end of the semester, I took all my papers and put them in the round file. They were taken care of accordingly."