To cancel a reservation
Example: They cancel a reservation online
Definition
"To cancel a reservation" means to officially inform the relevant party that a previously made booking or appointment will no longer be honored or used, effectively freeing up the reserved spot for others or preventing any charges associated with it.
Etymology
The phrase "to cancel a reservation" combines "cancel," derived from the Latin 'cancellare,' meaning to cross out or make void, with "reservation," which comes from the Latin 'reservare,' meaning to keep back or save. The phrase emerged as booking systems developed, allowing people to revoke their prior commitments.