Definition of member:
one of the persons who compose a social group (especially individuals who have joined and participate in a group organization); "only members will be admitted"; "a member of the faculty"; "she was introduced to all the members of his family"
anything that belongs to a set or class; "snakes are members of the class Reptilia"; "members of the opposite sex"
an external body part that projects from the body; "it is important to keep the extremities warm"
an organization that is a member of another organization (especially a state that belongs to a group of nations); "the library was a member of the interlibrary loan association"; "Canada is a member of the United Nations"
the male organ of copulation (`member' is a euphemism)