Definitions:
(in folklore or fantasy literature) a member of a mythical race of short, stocky humanlike creatures who are generally skilled in mining and metalworking.

a person who is of unusually short stature on account of a genetic or medical condition such as achondroplasia; a person affected by dwarfism.

a star of relatively small size and low luminosity, including the majority of main sequence stars.

denoting something, especially an animal or plant, that is much smaller than the usual size for its type or species

cause to seem small or insignificant in comparison