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.
The particular way someone or something is, especially
The vital functions or strength of someone or something, especially (now dialect) as requiring nourishment or careful maintenance or (medicine) as a force of regeneration without special treatment.
A requirement or powerful impulse of the body's physical form, especially
(now rare) A product of the body's physical form, especially semen and vaginal fluids, menstrual fluid, and (obsolete) feces.
(now rare) A part of the body's physical form, especially (obsolete) the female genitalia.
verb
(obsolete) To endow with natural qualities.