1. modelling(n = noun.act) modeling, molding, moulding - a preliminary sculpture in wax or clay from which a finished work can be copied;
is a kind of carving, sculpture
Derived form verb model2
2. modelling(n = noun.act) model, modeling - the act of representing something (usually on a smaller scale);
is a kind of representation
has particulars: simulation
Derived form verb model6