dah

American  

[dah] / dɑ /

noun

1. an echoic word, the referent of which is a tone interval approximately three times the length of the dot, used to designate the dash of Morse code, International Morse code, etc.

---

dah British  

/ dɑː /

noun

1. the long sound used in combination with the short sound dit, in the spoken representation of Morse and other telegraphic codes Compare dash 1

---

Etymology

Origin of dah

First recorded in 1935–40

Example Sentences

“I went on this long, rambly monologue about ‘these types of characters in this type of place and dah, dah, dah,’ and Greg’s like, ‘Human connection in impossible places.’

From Los Angeles Times

He doesn’t talk much; he prefers the dits and dahs to communicate.

From Los Angeles Times

I will find myself standing in front of a group of extras saying, “All right, so what’s happening now is dah, dah, dah,” raising my voice and being encouraging and intense.

From New York Times

Get in through security signing, dah, dah, dah.

From The Verge

They suggest paradise, or joy, perhaps the elation of discovery when a child points out something meaningful and says, simply, “that,” “there,” “yes” or “dah!”

From Washington Post