1. spark arrester(n = noun.artifact) - electrical device to reduce sparking when electrical contacts are opened or closed;
is a kind of electrical device
2. spark arrester(n = noun.artifact) sparker - a wire net to stop sparks from an open fireplace or smokestack;
is a kind of mesh, meshing, meshwork, net, network
arrester, arrester hook, dame muriel spark, jump spark, lightning arrester, muriel sarah spark, muriel spark, spark, spark advance, spark chamber, spark coil, spark counter, spark gap, spark lever, spark of life, spark off, spark plug, spark transmitter, spike arrester