- noting a machine or vehicle powered by a diesel engine: diesel locomotive.
- of or relating to a diesel engine: diesel fuel.
- diesel engine.
- a vehicle powered by a diesel engine.
- diesel fuel.
- German automotive engineer.
- See diesel engine
- a ship, locomotive, lorry, etc, driven by a diesel engine
- informal short for diesel oil
- any cola drink
- sucking diesel See suck (def. 10)
- Rudolf (ˈruːdɔlf). 1858–1913, German engineer, who invented the diesel engine (1892)