December
From BiblePortal Wikipedia
Webster's Dictionary [1]
(1): ( n.) Fig.: With reference to the end of the year and to the winter season; as, the December of his life.
(2): ( n.) The twelfth and last month of the year, containing thirty-one days. During this month occurs the winter solstice.
The Nuttall Encyclopedia [2]
The twelfth month of the year, so called, i. e . tenth, by the Romans, as their year began with March.