This is the 4472nd most frequent Dutch word.
clessie
"Clessie" is not a standard Dutch word. It might be a slang term, nickname, or misspelling.
Here 'Clessie' refers to an individual's name, marking it as a proper noun.
Ik ontmoette Clessie gisteren in het park.
I met Clessie yesterday in the park.
In this context, 'Clessie' is used as a name referring to a person who designed the diesel engine, emphasizing a figure in engineering history.
De oude dieselmotor ontworpen door Clessie was revolutionair.
The old diesel engine designed by Clessie was revolutionary.
Here, 'Clessie' is used as a fictional name for a character, showing its application in imaginative or created contexts.