A small pointed ornament repeated along a molding consisting of four petals radiating from a raised center, used especially in the Early English style.
Definition of dogtooth in US English:
dogtooth
nounˈdäɡto͞oTHˈdɑɡtuθ
Architecture
A small pointed ornament repeated along a molding consisting of four petals radiating from a raised center, used especially in the Early English style.