Group - Definition

n 1: any number of entities (members) considered as a unit [syn:
group, grouping]
2: (chemistry) two or more atoms bound together as a single unit
and forming part of a molecule [syn: group, radical,
chemical group]
3: a set that is closed, associative, has an identity element
and every element has an inverse [syn: group, mathematical
group]
v 1: arrange into a group or groups; "Can you group these shapes
together?"
2: form a group or group together [syn: group, aggroup]