federation
noun
ˌfedəˈreɪʃən
noun
1
a
group
of
organizations,
clubs,
or
people
that
have
joined
together
to
form
a
single
group
联合会; 联盟
C
the
National
Federation
of
Women’s
Institutes
（英国及英联邦国家）妇女协会全国联合会
2
a
group
of
states
that
have
joined
together
to
form
a
single
group
联邦政府
C
the
Russian
Federation
俄罗斯联邦政府
3
when
groups
of
people,
states
etc
join
together
to
form
a
larger
group
联邦，同盟
U