dah

American

[dah] / dɑ /

noun

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

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of dah

First recorded in 1935–40

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Bhad Bhabie is another young overnight internet star who went viral for her infamous phrase "cash me ousside, how bout dah."

From Salon • Aug. 18, 2023

Like, that fabled Black Woodstock concert with Stevie Wonder and Sly and the Family Stone and dah, dah, dah.

From Los Angeles Times • Feb. 8, 2022

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

From The Verge • Jun. 8, 2021

I never thought, oh my gosh, it’s a woman and dah, dah, dah.

From New York Times • May 4, 2018

Dit dah dit dah, he flashed again, remembering the signal he had learned with his bear-trap mind.

From "All About Sam" by Lois Lowry

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023