Hornwork
![Feature 'f' is a hornwork. From Cyclopaedia.](/Images/godic/202501/18/Table_of_Fortification,_Cyclopaedia,_Volume_14854.jpg")
![hornwork](/Images/godic/202501/18/Hoornwerk4854.png")
![The Weber Church of Zittau inside a hornwork (Europaeum Theatrum, Volume 5, Plate 12. Published in 1651 in Frankfurt am Main).](/Images/godic/202501/18/Hornwerk4854.png")
A hornwork is an element of the trace italienne system of fortification. It consists of a pair of demi-bastions with a curtain wall connecting them and with two long sides directed upon the faces of the bastions, or ravelins of the inner fortifications, so as to be defended by them.