Vane
Part of speech: noun
Definition: A weather vane. Any of several usually relatively thin, rigid, flat, or sometimes curved surfaces radially mounted along an axis, as a blade in a turbine or a sail on a windmill, that is turned by or used to turn a fluid. The flattened, web-like part of a feather, consisting of a series of barbs on either side of the shaft. A sight on a sextant or compass. One of the metal guidance or stabilizing fins attached to the tail of a bomb or other missile.
Blade
Part of speech: noun
Definition: The sharp cutting edge of a knife, chisel, or other tool, a razor blade.The flat functional end of a propeller, oar, hockey stick, screwdriver, skate, etc.The narrow leaf of a grass or cereal.The thin, flat part of a plant leaf, attached to a stem (petiole). The lamina.A flat bone, especially the shoulder blade.A cut of beef from near the shoulder blade (part of the chuck).The flat part of the tongue.A sword or knife.A piece of prepared, sharp-edged stone, often flint, at least twice as long as it is wide; a long flake of ground-edge stone or knapped vitreous stone.A throw characterized by a tight parabolic trajectory due to a steep lateral attitude.The rudder, daggerboard, or centerboard of a vessel.A bulldozer or surface-grading machine with mechanically adjustable blade that is nominally perpendicular to the forward motion of the vehicle.A dashing young man.A homosexual, usually male.Thin plate, foil.
Part of speech: verb
Definition: To skate on rollerblades.
Example sentence: The human life is all one thing, like a blade tracing loops on the ice: a little kid, a twenty-three-year-old infantry sergeant, a middle-aged writer knowing guilt and sorrow.