They're what you used to call a female vocal group.

A column of elements down the table is called a group.

The two valid set types are called runs and groups.

And it is working to create special sections, called groups, for advertisers.

They meet there every week for what, 20 years ago, would have been called a consciousness-raising group.

They are sometimes called stable groups, though this term normally means something quite different in model theory.

His article led to a huge public reaction, including complaints from what he called "tribal and religious groups."

What are called 'twisted' groups of the classical families could be fitted into the picture.

She put out the word, calling friends, acquaintances and other choral groups.

Personally, I would have to call such a group, terrorists.