1.An animal or plant which is much below the ordinary size of its species or kind.
2.Especially: A diminutive human being, small in stature due to a pathological condition which causes a distortion of the proportions of body parts to each other, such as the limbs, torso, and head. A person of unusually small height who has normal body proportions is usually called a midget. Note: During the Middle Ages dwarfs as well as fools shared the favor of courts and the nobility.
3.(Folklore) A small, usually misshapen person, typically a man, who may have magical powers; mythical dwarves were often depicted as living underground in caves. Note: Dwarf is used adjectively in reference to anything much below the usual or normal size; as, a dwarf pear tree; dwarf honeysuckle.