This is the 11798th most frequent German word.
telegraph
A device for transmitting messages over long distances using coded signals.
Here, 'telegraph' is used as a noun referring to a type of communication device.
Der alte Telegraph steht im Museum.
The old telegraph is in the museum.
In this sentence, 'telegraph' is a noun signifying the medium used to send a message, reflecting historical communication methods.
Er hat den Text per Telegraph geschickt.
He sent the text via telegraph.
This usage involves the verb form derived from 'telegraph', implying the act or process of sending messages using this technology.