A person who has an intense interest in the natural world, especially one who frequents natural places for enjoyment and recreation.

plural of half-natural

(archaic) One with a simple mind; a fool or idiot.

Alternative form of ultranatural

plural of nature lover

plural of natural historian

One who studies natural history.

Alternative letter-case form of Book of Nature

A religious and philosophical concept originating in the Latin Middle Ages which views nature as a book to be read for knowledge and understanding.

(now archaic) The genitals. / (now rare) Someone's innate, untaught talents or skill.