Group Definition, or define, will group a set of objects that can be recalled and duplicated multiple times with the group object.
Define goes hand-in-hand with the group object.
define my_group # You can put the following objects in a group definition: # box # pyramid # base # mesh # meshbox # meshpyr # arc # sphere enddef
#You can then recall the group with group my_group shift 0 0 0 end
A more detailed description of the group installation can be found here.
There are currently no supported editors: group definitions are normally most useful when editing by hand.
The group definition object was added with the v2.0.0 release of BZFlag.