4. member a constituent part of any structural or composite whole, as a subordinate architectural feature of a building.
5. member a person belonging to a legislative body.
6. member Math.
7. member either side of an equation.
8. member an element of a set.
9. member a stratigraphic unit recognized within a geologic formation and mapped as such.
Etymology: (1250–1300; ME membre < OF < L membrum)
Definition of 'member'
Princeton's WordNet
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 external body part 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 male organ of copulation (`member' is a euphemism)
1. (noun)member sb who is part of a group, club, etc. a member of a community chorus; a team member
Definition of 'member'
Webster Dictionary
1. (noun)member a part of an animal capable of performing a distinct office; an organ; a limb
2. (noun)member hence, a part of a whole; an independent constituent of a body
3. (noun)member a part of a discourse or of a period or sentence; a clause; a part of a verse
4. (noun)member either of the two parts of an algebraic equation, connected by the sign of equality
5. (noun)member any essential part, as a post, tie rod, strut, etc., of a framed structure, as a bridgetruss
6. (noun)member any part of a building, whether constructional, as a pier, column, lintel, or the like, or decorative, as a molding, or group of moldings
7. (noun)member one of the persons composing a society, community, or the like; an individual forming part of an association; as, a member of the society of Friends
8. (verb)member to remember; to cause to remember; to mention
Definitions of member 
Afrikaans: lid
Arabic: عُضْو
Bulgarian: член
Brazilian: membro
Czech: člen, -ka
German: das Mitglied
Danish: medlem
Greek: μέλος
Spanish: miembro, socio, afiliado
Estonian: liige
Farsi: عضو
Finnish: jäsen
French: membre
Hebrew: חָבֵר
Hindi: सदस्य
Croatian: član
Hungarian: tag
Indonesian: anggota
Icelandic: meðlimur, félagi
Italian: membro
Japanese: １員
Korean: (집단의) 한 사람, 회원
Lithuanian: narys
Latvian: biedrs; loceklis
Malay: ahli
Dutch: lid
Norwegian: medlem
Polish: członek
Persian: عضو
Pashto: غړى
Portuguese: membro
Romanian: membru
Russian: член
Slovak: člen, -ka
Slovenian: član
Serbian: član
Swedish: medlem
Thai: สมาชิก (คำย่อคือ mem)
Turkish: üye
Taiwanese: 成員，會員
Ukrainian: член; учасник
Urdu: عضو ، رکن
Vietnamese: thành viên
Chinese: （团体的）成员，会员
