legger

🇬🇧/ˈleɡə(r)/ 🇺🇸/ˈleɡər/ 4

a person who propels a canal boat through a tunnel by lying on their back and walking their feet along the tunnel roof or walls.

The police arrested the legger for running an illegal betting operation.^{警察逮捕了一个非法赌注接头人，因为他在经营非法博彩活动。}