|Easton's Bible Dictionary|
The name adopted from the Babylonians by the Jews after the Captivity for the third civil, or ninth ecclesiastical, month (Nehemiah 1:1; Zechariah 7:1). It corresponds nearly with the moon in November.
Noah Webster's Dictionary
(n.) The ninth month of the Jewish ecclesiastical year, answering to a part of November with a part of December.
Int. Standard Bible Encyclopedia
Chisleu (2 Occurrences)
Nehemiah 1:1 The words of Nehemiah the son of Hachaliah. And it came to pass in the month Chisleu, in the twentieth year, as I was in Shushan the palace, (KJV WBS YLT)
Zechariah 7:1 And it came to pass in the fourth year of king Darius, that the word of the LORD came unto Zechariah in the fourth day of the ninth month, even in Chisleu; (KJV WBS YLT)