definition of
[group]

[1] #1 group n. [grouping] any number of entities (members) considered as a unit. wn

[2] #2 group v. arrange into a group or groups; "Can you group these shapes together?". wn

[3] #3 group n. [radical, chemical group] (chemistry) two or more atoms bound together as a single unit and forming part of a molecule. wn

[4] #4 group v. [aggroup] form a group or group together. wn

[5] #5 group n. [mathematical group] a set that is closed, associative, has an identity element and every element has an inverse. wn