A crowbar uses leverage to pry nails out of wood.

A microscope is an optical instrument.

Baston (Bâton). A French word signifying a staff or club. In the statutes it sometimes denotes an officer in attendance upon the king's court with a painted staff, for the taking into custody persons committed by the court.

A really good game, to my mind, must have an element, however slight, of physical danger to the player. This is the great whet to skilled performance.