coup de grace the blow that kills (usually mercifully)
cloud grass Spanish grass with light feathery panicles grown for dried bouquets
cord grass any of several perennial grasses of the genus Spartina
cordgrass any of several perennial grasses of the genus Spartina
carpet grass grass native to West Indies but common in southern United States having tufted wiry stems often infested with a dark fungus
categorize place into or assign to a class
ludicrous inviting ridicule
scapegrace a reckless and unprincipled reprobate
categorise place into or assign to a category
goat grass European grass naturalized as a weed in North America
cryptogram a piece of writing in code or cipher
couch grass European grass spreading rapidly by creeping rhizomes
cryptograph a secret method of writing
Coptic Church the ancient Christian church of Egypt
Pythagoras Greek philosopher and mathematician who proved the Pythagorean theorem; considered to be the first true mathematician (circa 580-500 BC)
cut across cut using a diagonal line
biodegrade break down naturally through the action of biological agents
crowfoot grass a creeping grass with spikes like fingers
cryptography the science of analyzing and deciphering codes
autocracy a theory favoring unlimited authority by an individual