noun

• (uncountable, often capitalized) The way things are, the totality of all things in the physical universe and their order, especially the physical world in contrast to spiritual realms and flora and fauna as distinct from human conventions, art, and technology.
  "I oft admire How Nature, wise and frugal, could commit Such disproportions."
• The particular way someone or something is, especially
  "...One Hundred of each Nature of Case-Shot..."
• A requirement or powerful impulse of the body's physical form, especially
  "She marvelled "What he saw in such a baby "As that prim, silent, cold Aurora Raby?" ...Why Adeline had this slight prejudice ...For me appears a question far too nice, Since Adeline was liberal by Nature; But Nature’s Nature, and has more caprices Than I have time, or will to take to pieces..."
• A requirement or powerful impulse of the body's physical form, especially
  "Lady. ... Come you Spirits, That tend on mortall thoughts, vnsex me here, ...make thick my blood, Stop vp th'accesse, and passage to Remorse, That no compunctious visitings of Nature Shake my fell purpose..."

verb

• (obsolete) To endow with natural qualities.