CROSSCUT SAW
A crosscut saw (thwart saw) is any saw designed for cutting wood perpendicular to (across) the wood grain.
A coping saw is a type of bow saw used to cut intricate external shapes and interior cut-outs in woodworking or carpentry.
A backsaw is any hand saw which has a stiffening rib on the edge opposite the cutting edge, enabling better control and more precise cutting than with other types of saws.