ていきけん定期券teikiken
1.

A type of ticket purchased for repeated travel on public transportation, usually valid for a specific duration and providing unlimited travel within designated zones or routes.

2.

A prepaid pass that allows a user to commute regularly, offering a cost-saving option compared to buying individual tickets for each journey.

3.

An official document or card that grants permission to use public transit services for a set period, facilitating easier and more economical travel for frequent riders.

Example:

スミス氏は定期券を持っていくのを忘れた。