What is the term used when a group wants to cancel or nullify a prior decision made in a meeting?

The term used when a group wants to cancel or nullify a prior decision made in a meeting is "rescind." This term is specifically used in parliamentary procedure to denote the formal action taken to revoke a previous motion or decision. When a motion to rescind is adopted, it effectively cancels the earlier decision, allowing the group to change its course of action or policy.

The usage of "rescind" aligns with established parliamentary terminology and procedures, making it the correct choice in this context. Other terms like "annul," "nullify," and "reverse" may convey similar meanings in a general sense but aren't the specific terms applied within formal parliamentary procedure. Each of these alternatives lacks the procedural context provided by "rescind," which is crucial for proper communication in a parliamentary setting. Therefore, understanding the term "rescind" in this context solidifies its role and importance in managing decisions made during meetings.