Twelve-Month
Defined in 3 dictionaries — Cyclopedic (1922), Bouvier (1914), Black's (1910)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
In the singular, includes the whole year, but in the plural twelve months of twenty-eight days each. 6 Coke, 62; 2 Bl. Comm. 140, note.
Bouvier's Law Dictionary and Concise Encyclopedia
John Bouvier; revised by Francis Rawle · 1914
in the singular includes the whole year, but in the plural, twelve months of twenty-eight days each. 6 Co. 62; Bish. Writt. Laws 97. See Month.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
In the singular number, includes all the year; but twelve months are to be computed according to twenty-eight days for every month. 6 Coke, 62.