D defs.my
Entry 2 senses Webster, 1913

Prorogation

· Pro·ro·ga·tion · IPA /pɹəʊɹəˈɡeɪʃn̩/
01 n. The act of counting in duration; prolongation.
  1. 1.
    The act of counting in duration; prolongation.[Obs.]
  2. 2.
    The act of proroguing; the ending of the session of Parliament, and postponing of its business, by the command of the sovereign.[Eng.]