1. discontinuation of the meeting (of a legislative body) without dissolving it;
The Collaborative International Dictionary of English v.0.48:
Prorogation \Pro`ro*ga"tion\, n. [L. prorogatio: cf. F.
1. The act of counting in duration; prolongation. [Obs.]
2. The act of proroguing; the ending of the session of
Parliament, and postponing of its business, by the command
of the sovereign. [Eng.]
Note: After an adjournment all things continue as they were
at the adjournment; whereas, after a prorogation, bill
introduced and nut passed are as if they had never been
begun at all. --Mozley & W.
WordNet (r) 3.0 (2006):
n 1: discontinuation of the meeting (of a legislative body)
without dissolving it
Bouvier's Law Dictionary, Revised 6th Ed (1856):
PROROGATION. To put off to another time. It is generally applied to the
English parliament, and means the continuance of it from one day to another;
it differs from adjournment, which is a continuance of it from one day to
another in the same session. 1 Bl. Com. 186.
2. In the civil law, prorogation signifies the time given to do a thing
beyond the term prefixed. Dig. 2, 14, 27, 1. See Prolongation.