Arthropteris
— Noun
– English
~ tropical and subtropical Old World epiphytic or lithophytic ferns
arthroscope
— Noun
– English
~ a type of endoscope that is inserted into a joint for visual examination
arthroscopy
— Noun
– English
~ a minimally invasive operation to repair a damaged joint; the surgeon examines the joint with an arthroscope while making repairs through a small incision
arthrospore
— Noun
– English
~ one of a string of thick walled vegetative resting cells formed by some algae and fungi
arthrospore
— Noun
– English
~ a body that resembles a spore but is not an endospore; produced by some bacteria
Arthur
— Noun
– English
~ a legendary king of the Britons (possibly based on a historical figure in the 6th century but the story has been retold too many times to be sure); said to have led the Knights of the Round Table at Camelot
Arthur
— Noun
– English
~ elected vice president and became 21st President of the United States when Garfield was assassinated (1830-1886)
artichoke
— Noun
– English
~ Mediterranean thistlelike plant widely cultivated for its large edible flower head