1. (noun)member, fellow member one of the persons who compose a socialgroup (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"
2. (noun)member anything that belongs to a set or class "snakes are members of the class Reptilia"; "members of the opposite sex"
3. (noun)extremity, appendage, member an externalbodypart that projects from the body "it is important to keep the extremities warm"
4. (noun)member 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"
5. (noun)penis, phallus, member the maleorgan of copulation (`member' is a euphemism)