Leap Year
Defined in 5 dictionaries — Cyclopedic (1922), Ballentine's (1916), Bouvier (1914), Black's (1910), Bouvier (1839)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
See "Bissextile."
Ballentine's Law Dictionary
James A. Ballentine · 1916
A year in which a 29th day is added to February.
Bouvier's Law Dictionary and Concise Encyclopedia
John Bouvier; revised by Francis Rawle · 1914
See Bissextim.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
See Bissextile.
A Law Dictionary, Adapted to the Constitution and Laws of the United States
John Bouvier · 1839
Vide Bissertile.