a part of a structure having some specific characteristic or function | the act of enclosing something inside something else |
the extent of a 2-dimensional surface enclosed within a boundary | a structure consisting of an area that has been enclosed for some purpose |
a part of an animal that has a special function or is supplied by a given artery or nerve | something (usually a supporting document) that is enclosed in an envelope with a covering letter |
a subject of study | a naturally enclosed space |
a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography) | |
a particular environment or walk of life | |