a system of jurisprudence based on judicial precedents rather than statutory laws; "common law originated in the unwritten laws of England and was later applied in the United States"
a club-shaped hand tool for grinding and mixing substances in a mortar
a heavy tool of stone or iron (usually with a flat base and a handle) that is used to grind and mix material (as grain or drugs or pigments) against a slab of stone
grind, mash or pulverize in a mortar; "pestle the garlic"
the convergence of two parallel railroad tracks in a narrow place; the inner rails cross and run parallel and then diverge so a train remains on its own tracks at all times
concealing crafty designs for advancing your own interest; "a selfish and designing nation obsessed with the dark schemes of European intrigue"- W.Churchill; "a scheming wife"; "a scheming gold digger"