/ ˈmembə(r); NAmE / noun
1.
member (of sth) a person, an animal or a plant that belongs to a particular group :
a member of staff / society / the family
characteristics common to all members of the species
2.
member (of sth) a person, a country or an organization that has joined a particular group, club or team :
party / union members
a meeting of member countries / states
How much does it cost to become a member?
an active member of the local church
3.
( old use or literary ) a part of the body, especially an arm or a leg
4.
a penis . People say 'member' to avoid saying 'penis'.
5.
Member (in Britain) a Member of Parliament :
the Hon. Member for Brent North
—see also private member
••
WORD ORIGIN
Middle English : via Old French from Latin membrum limb.