The Collaborative International Dictionary of English v.0.48:

Adjournment \Ad*journ"ment\ (-ment), n. [Cf. f. adjournement,
   OF. ajornement. See Adjourn.]
   1. The act of adjourning; the putting off till another day or
      time specified, or without day.
      [1913 Webster]

   2. The time or interval during which a public body adjourns
      its sittings or postpones business.
      [1913 Webster]

WordNet (r) 3.0 (2006):

adjournment
    n 1: the termination of a meeting [syn: adjournment,
         dissolution]
    2: the act of postponing to another time or place