a part of an animal that has a special function or is supplied by a given artery or nerve | a small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision |
a knowledge domain that you are interested in or are communicating about | a patch of skin that is discolored but not usually elevated; caused by various diseases |
the extended spatial location of something | a cooler darker spot appearing periodically on the sun's photosphere; associated with a strong magnetic field |
a large indefinite location on the surface of the Earth | |
the approximate amount of something (usually used prepositionally as in `in the region of') | |