Copland definition by Webster's New World
Copland definition by American Heritage Dictionary
, Aaron 1900-1990.
copland - Computer Definition
The code name for a next generation Macintosh operating system that was expected to provide preemptive multitasking, multithreading, better crash protection and the ability to customize the user interface. Considerable effort went into Copland; however, things changed after Apple purchased NeXT Computer. See Rhapsody.