We found one dictionary that defines the word telegraphic signals:

General (1 matching dictionary)

1. telegraphic signals: Vocabulary.com

(Note: See telegraphic_signal as well.)

Definitions from WordNet (telegraphic signal) ▸ noun:  a signal transmitted by telegraphy ▸ Also see telegraphic_signal ▸ Words similar to telegraphic signals ▸ Usage examples for telegraphic signals ▸ Idioms related to telegraphic signals ▸ Wikipedia articles (New!) ▸ Words that often appear near telegraphic signals ▸ Rhymes of telegraphic signals ▸ Invented words related to telegraphic signals