lockkeeper

The person assigned to look after a canal or river lock, operating it and organizing its maintenance.

Japanese Meaning

運河や川の水門（ロック）を管理し、操作および保守作業を担当する人。

The lockkeeper adjusted the sluice gates carefully as the barge approached the narrow canal.

閘門の管理人は、バージが狭い運河に近づくときに水門を慎重に調整した。

Sense（1）

The person assigned to look after a canal or river lock, operating it and organizing its maintenance.

lockkeepers

（ plural ）