a part of a structure having some specific characteristic or function | (baseball) the successful act of striking a baseball in such a way that the batter reaches base safely |
the extent of a 2-dimensional surface enclosed within a boundary | a score in American football; a player is tackled behind his own goal line |
a part of an animal that has a special function or is supplied by a given artery or nerve | a device designed to prevent injury or accidents |
a subject of study | contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse |
a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography) | a safe place |
a particular environment or walk of life | the state of being certain that adverse effects will not be caused by some agent under defined conditions |