moulage

mou·lage   (mōō-läzh')    n.   A mold, as of a footprint, made for use in a criminal investigation. The making of such a mold or cast, as with plaster of Paris. [French, from earlier mollage, fee for inspection of wood by use of a standard frame, from Old French molle, mold; see mold1.]

Main Entry: mou·lage
Pronunciation: mü-'läzh
Function: noun
: a mold of a lesion or defect used as a guide in applying medical treatment (asin radiotherapy) or in performing reconstructive surgery especially on the face