The Collaborative International Dictionary of English v.0.48:

Preconcert \Pre*con"cert\, n.
   Something concerted or arranged beforehand; a previous
   agreement.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Preconcert \Pre`con*cert"\, v. t. [imp. & p. p. Preconcerted;
   p. pr. & vb. n. Preconcerting.]
   To concert or arrange beforehand; to settle by previous
   agreement.
   [1913 Webster]