Definitions
the longer of the two telegraphic signals used in Morse code
Word origin
From Burmese ဓား (dha:). Possibly a doublet of dao.
Used in a sentence
“It was like a sea of people, two thousand at the least, black and white in the moon, with here and there a curved dah glittering.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Morse dash”3 letters
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