Word Study
dah
WORDNET DICTIONARY
Noun dah has 1 sense
- dah(n = noun.communication) dash - the longer of the two telegraphic signals used in Morse code; Array is a part of international morse code, morse, morse code
is a kind of radiotelegraphic signal, telegraphic signal
OXFORD DICTIONARY
dah, n. esp. US Telegraphy (in the Morse system) = DASH (cf. DIT).
Etymology
imit.
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