For the past month, the world's papers had divided themselves into two sharply defined groups.

In the Middle school, Houses define tutorial groups, and have a significant effect on students' subject teachers.

Various groupings and arrangements have arisen which define such groups.

Crowds are larger, more vaguely defined groups that may not have a friendship base.

But, it said, "other differences from the community norm may define other groups which need the same protection."

Cult films can be used to help define or create groups, as a form of subcultural capital.

There is no sense in defining states and ethnic groups by the category of nation.

There are many variations in temperament and it is difficult to classify them into strictly defined groups.

Within the mammalian family, there are four well defined groups of Pax genes.

But we must question which cultural attributes define groups of people as different.