Wiktionary
arcover
n. The unwanted arcing of electricity from one component to another, caused for example by the presence of contaminants.
Usage examples of "arcover".
It sprang from the ledge and winged its prodigious length in one low arcover the sea's crimson breast, as though in some ancient paroxysm of earthit had been hurled molten, crystallizing into that stupendous span and stillflaming with the fires that had moulded it.