member in WordNet English dictionary

1. an external body part that projects from the body
   "it is important to keep the extremities warm"
   extremity  appendage  member 
   
2. 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"
   member  fellow member 
   
3. the male organ of copulation (`member' is a euphemism)
   penis  phallus  member 
   
4. 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"
   member 
   
5. anything that belongs to a set or class
   "snakes are members of the class Reptilia"; "members of the opposite sex"
   member