ver·tic·i·ty \ˌvərˈtisəd.ē\noun (-es) Etymology: New Latin verticitat-, verticitas, from Latin vertic-, vertex highest point, peak + -itat-, -itas -ity — more at vertex : a tendency (as shown by a magnetized needle) to turn toward a magnetic pole < the old window stanchions had become magnetic, proving, as he thinks, that iron acquires verticity — Walter Pater >