Biennium
Defined in 4 dictionaries — Ballentine's (1916), Kinney (1893), Stimson (1881), Burrill (1850)
Ballentine's Law Dictionary
James A. Ballentine · 1916
A period of two years.
A Law Dictionary and Glossary
George C. Kinney · 1893
I.
In old English law. A period of two years, v. Cessavit per biennium.
Glossary of Technical Terms, Phrases, and Maxims of the Common Law
Frederic Jesup Stimson · 1881
I. The period o\ two years.
A New Law Dictionary and Glossary
Alexander M. Burrill · 1850
Lat. [from bis, twice, and annus, a year.] In old English law. The space of two years. See Cessavit per biennium.