wheel horse
📖 Definitions
noun
1. Someone responsible and diligent, especially one who bears the biggest share of burden in a group.
2. A horse harnessed closest to the front wheel(s) of a carriage.
💬 Usage Examples
“Germany is widely viewed as the economic wheel horse of the EU and, in that sense, is on the hook.” Greece’s Turmoil: Wall Street’s Role in the Crisis Should Be Revealed; Pittsburgh Post-Gazette (Pennsylvania); Mar 4, 2010. “[Chris Pronger] is the wheel horse of a defensive side that smothers high-flying offences.” David Shoalts; Immovable Net-Front Object, Meet Irresistible Blueline Force; The Globe and Mail (Toronto, Canada); May 28, 2010.