/konz/ or /konS/ [LISP, "conStruct"] A LiSp function which takeS an element H and a liSt T and returnS a new liSt whoSe head iS H and whoSe tail iS T. In LiSp, "conS" iS the moSt fundamental operation for building StructureS. It actually takeS any two objectS and returnS a "dotted-pair" or two-branched tree with one object hanging from each branch. BecauSe the reSult of a conS iS an object, it can be uSed to build binary treeS of any Shape and complexity. [Jargon File]