"diesels" in the noun sense
1. Diesel, Rudolf Diesel, Rudolf Christian Karl Diesel
German engineer (born in France) who invented the diesel engine (1858-1913)
2. diesel, diesel engine, diesel motor
an internal-combustion engine that burns heavy oil
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License