definition of
region

[1] #1 region n. [part] the extended spatial location of something; "the farming regions of France"; "religions in all parts of the world"; "regions of outer space". wn

[2] #2 region n. [area] a part of an animal that has a special function or is supplied by a given artery or nerve; "in the abdominal region". wn

[3] #3 region n. a large indefinite location on the surface of the Earth; "penguins inhabit the polar regions". wn

[4] #4 region n. [neighborhood] the approximate amount of something (usually used prepositionally as in 'in the region of'); "it was going to take in the region of two or three months to finish the job"; "the price is in the neighborhood of $100". wn

[5] #5 region n. [realm] a knowledge domain that you are interested in or are communicating about; "it was a limited realm of discourse"; "here we enter the region of opinion"; "the realm of the occult". wn