noun

• (mythology) Any member of a race of beings from (especially Scandinavian and other Germanic) folklore, usually depicted as having some sort of supernatural powers and being skilled in crafting and metalworking, often as short with long beards, and sometimes as clashing with elves.
  "Nidavellir, which is sometimes called Svartalfheim, where the dwarfs (who are also known as dark elves) live beneath the mountains and build their remarkable creations."
• (now sometimes offensive) A person of short stature, often one whose limbs are disproportionately small in relation to the body as compared with typical adults, usually as the result of a genetic condition.
• (astronomy) A dwarf star.
  "But none of those brown dwarfs were speeding along on a trajectory that would carry them out of the galaxy like “runaway” hypervelocity stars observed by astronomers in the last two decades."

adj

• (especially in botany) Miniature.
  "The specimen is a very dwarf form of the plant."

verb

• (transitive) To render (much) smaller, turn into a dwarf (version).
• (transitive) To make appear (much) smaller, puny, tiny; to be much larger than.
  "The newly-built skyscraper dwarfs all older buildings in the downtown skyline."
• (transitive) To make appear insignificant.
  "Bach dwarfs all other composers."
• (intransitive) To become (much) smaller.

name

• (file format) A standardized debugging file format.
  "In debug mode, a compiled binary will include debugging symbols in the DWARF debugging format."