Vestibule trains offered passengers a sheltered passage between cars on chilly nights.

The company opened a vestibule school next to the assembly line to teach newcomers the exact techniques used on the factory floor.

Many companies rely on vestibule schools to train new employees before they start work on the production line.

After multiple failed treatments, she finally scheduled a vestibulectomy to relieve her chronic pain.

The hospital's gynecology department reported an increase in vestibulectomies last year.