gill net(n = noun.artifact) - a flat fishnet suspended vertically in the water to entangle fish by their gills;
is a kind of fishing net, fishnet

bag net, bow net, bramble net, drift net, external gill, fishing net, gill, gill arch, gill bar, gill cleft, gill fungus, gill slit, landing net, mosquito net, net, net ball, net estate, net fish, net income, net melon, net profit, net sales, net ton, net worth, neural net, pound net, safety net, trammel net, trawl net, volleyball net