necessarygroup

noun
UK /ˈnɛsəsəri ɡruːp/
US /ˈnɛsəˌsɛri ɡruːp/

A necessarygroup is a group of people or things that you really need.

The rescue team is a necessarygroup when people get lost in the mountains.


OTHER MEANINGS

2. A set of items that must be gathered together for a task.

Pack the necessarygroup of tools before you fix the bike.

3. A small committee whose approval is required before a plan can go forward.

The necessarygroup met to approve the new playground design.

4. In biology, a cluster of organisms that cannot survive apart from one another.

The coral and its algae form a necessarygroup for both to live.