member

noun

1. 1

   the male organ of copulation (`member' is a euphemism)

2. 2

   an external body part that projects from the body

   it is important to keep the extremities warm

3. 3

   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

4. 4

   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

5. 5

   anything that belongs to a set or class

   snakes are members of the class Reptilia

   members of the opposite sex