What is the meaning of member?

noun

• One of the persons who compose a social group (especially individuals who have joined and participate in a group organization. )
  • usage: "only members will be admitted"; "a member of the faculty"; "she was introduced to all the members of his family"
  • synonyms: fellow member
• Anything that belongs to a set or class.
  • usage: "snakes are members of the class Reptilia"; "members of the opposite sex"
• An external body part that projects from the body.
  • usage: "it is important to keep the extremities warm"
  • synonyms: extremity, appendage
• An organization that is a member of another organization (especially a state that belongs to a group of nations. )
  • usage: "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. ).
  • synonyms: penis, phallus