dwarf

n. (pl. -s or dwarves) 1 person, animal, or plant much below normal size. 2 small mythological being with magical powers. 3 small usu. Dense star. v. 1 stunt in growth. 2 make seem small.  dwarfish adj. [old english]

n. An animal or plant which is much below the ordinary size of its species or kind; especially, a diminutive human being.