E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
The flying roll of Zechariah (v. 15). Predictions of evils to come on a nation are like the Flying Roll of Zechariah. This roll (twenty cubits long and ten wide) was full of maledictions, threats, and calamities about to befall the Jews. The parchment being unrolled fluttered in the air.