fourpenny nail(n = noun.artifact) - a nail 1.5 inches long;
is a kind of nail
clout nail, coffin nail, eightpenny nail, fourpenny, hit the nail on the head, nail, nail down, nail enamel, nail hole, nail polish, nail pulling, nail removal, nail varnish, sixpenny nail, stub nail, tenpenny nail, tooth and nail, wiggle nail