Definitions For Co

noun

• Lettuce with long dark-green leaves in a loosely packed elongated head
• Ratio of the adjacent side to the hypotenuse of a right-angled triangle
• A state in west central United States in the Rocky Mountains
• One who refuses to serve in the armed forces on grounds of conscience
• A hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition
• An odorless very poisonous gas that is a product of incomplete combustion of carbon