To cut across something.
To cut (wood, lumber) across the grain.
To cut repeatedly between two concurrent scenes.
A crosswise cut.
A shortcut.
A crosscut saw.
A level driven across the course of a vein, or across the main workings, as from one gangway to another.
An instance of filmic crosscutting.
To set apart or cut off from others.
To self-isolate.
To separate a pure strain of bacteria etc. from a mixed culture.
To separate a substance in pure form from a mixture.
To insulate, or make free of external influence.
To insulate an electrical component from a source of electricity.
To place in quarantine or isolation.
Something that has been isolated.