point formed by two intersecting arcs (as from the intrados of a Gothic arch)
a thin triangular flap of a heart valve
同义词：leaflet
small elevation on the grinding surface of a tooth
cusps例句
Edge waves and beach cusps Triaxial Galaxies with Cusps On the Origin of Cusps in Dark Matter Halos Reinterpreting several narrow `resonances' as threshold cusps The Dwarf Galaxy DDO 47 as a Dark Matter Laboratory: Testing Cusps Hiding in Triaxial Halos First Cluster results of the magnetic field structure of the mid- and high-altitude cusps Penetration of magnetosheath plasma to low altitudes through the dayside magnetospheric cusps The black hole mass distribution in early-type galaxies: cusps in HST photometry interpreted through adiabatic black hole growth Elevated cyclic stretch alters matrix remodeling in aortic valve cusps: implications for degenerative aortic valve disease Progression of aortic valve stenosis: TGF-beta1 is present in calcified aortic valve cusps and promotes aortic valve interstitial ce...
