Definition of dah in English:

dah

Line breaks: dah
Pronunciation: /dɑː
 
/

noun

(In the Morse system) another term for dash.
More example sentences
  • It's one thing to read a bunch of dits and dahs on paper, but it's much harder to decipher the sounds.

Origin

Second World War: imitative.

Definition of dah in:

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be of the opinion; think or suppose