The Collaborative International Dictionary of English v.0.48:

Stipulation \Stip`u*la"tion\, n. [See Stipule.] (Bot.)
   The situation, arrangement, and structure of the stipules.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Stipulation \Stip`u*la"tion\, n. [L. stipulatio: cf. F.
   stipulation.]
   1. The act of stipulating; a contracting or bargaining; an
      agreement.
      [1913 Webster]

   2. That which is stipulated, or agreed upon; that which is
      definitely arranged or contracted; an agreement; a
      covenant; a contract or bargain; also, any particular
      article, item, or condition, in a mutual agreement; as,
      the stipulations of the allied powers to furnish each his
      contingent of troops.
      [1913 Webster]

   3. (Law) A material article of an agreement; an undertaking
      in the nature of bail taken in the admiralty courts; a
      bargain. --Bouvier. Wharton.
      [1913 Webster]

   Syn: Agreement; contract; engagement. See Covenant.
        [1913 Webster]

WordNet (r) 3.0 (2006):

stipulation
    n 1: (law) an agreement or concession made by parties in a
         judicial proceeding (or by their attorneys) relating to the
         business before the court; must be in writing unless they
         are part of the court record; "a stipulation of fact was
         made in order to avoid delay" [syn: stipulation,
         judicial admission]
    2: an assumption on which rests the validity or effect of
       something else [syn: condition, precondition,
       stipulation]
    3: a restriction that is insisted upon as a condition for an
       agreement [syn: stipulation, specification]