Definition
To issue a warning to someone, indicating that strong actions will be taken if their behavior does not change.
The manager fired a warning shot across the team's bow, stating that there would be personnel changes if the project was delayed.
Before the final exam, the professor fired a warning shot across the students' bows, indicating that failing to submit assignments would result in failing the course.
The company fired a warning shot across its competitor's bow, accusing them of stealing their trade secrets.