called, since 1873, LAW SESSIONS.
Michaelmas Sessions begin November 2nd, and end December 21st. Hilary Sessions begin January 11th, and end the Wednesday before Easter. Easter Sessions begin the Tuesday after Easter-week, and end the Friday before Whit Sunday. Trinity Sessions begin the Tuesday after Whit-sun-week, and end August 8th.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894