Sentence:  In a letter, Otto Maier called this drawing a ""Galimathias""; according to a "<WSD>wiktionary</WSD> entry," this is a Greek word that passed from French students to German citizens and signifies something like "nonsense". 
Meaning of the word marked with <WSD> tags:  A collaborative project run by the Wikimedia Foundation to produce a free and complete dictionary in every language; the dictionaries, collectively, produced by that project.