This is the 1218th most frequent German word.
rasen
"Rasen" can mean "to race" (move quickly) or "lawn" (grass area), depending on context.
In this sentence, 'Rasen' is used as a noun meaning 'lawn'. It refers to a grassy area typically found near houses.
Der Rasen vor dem Haus ist frisch gemäht.
The lawn in front of the house is freshly mowed.
Here, 'rasen' is used as a verb meaning 'to speed' or 'to race'. It describes someone or something moving very quickly.
Er begann zu rasen, als er die Nachricht hörte.
He started to speed when he heard the news.
In this example, 'rasen' conveys the idea of racing or moving quickly in the mind, applied figuratively to thoughts.