member
member (mĕmʹbər) noun
Abbr. mem.
1. A distinct part of a whole, especially: a. Linguistics. A syntactic unit of a sentence; a clause. b. Logic. A proposition of a syllogism. c. Mathematics. An element in a set.
2. A part or an organ of a human or animal body, as: a. A limb, such as an arm or a leg. b. The penis.
3. A part of a plant.
4. One that belongs to a group or an organization: a club member; a bank that is a member of the FDIC.
5. Mathematics. The expression on either side of an equality sign.
6. A structural unit, such as a beam or wall.
[Middle English membre, from Old French, from Latin membrum.]