1. (

• group ,
• grouping

) any number of entities (members) considered as a unit ;

2. (

• group ,
• radical ,
• chemical_group

) (chemistry) two or more atoms bound together as a single unit and forming part of a molecule ;

3. (

• group ,
• mathematical_group

) a set that is closed, associative, has an identity element and every element has an inverse ;

1. (

• group

) arrange into a group or groups; "Can you group these shapes together?" ;

2. (

• group ,
• aggroup

) form a group or group together ;