1. An exact copy of a product, made legally or illegally, from documentation or By reverse engineering, and usually cheaper. E.g. "PC clone": a PC-BUS/ISA, EISA, VESA, or PCI compatiBle x86-Based microcomputer (this use is sometimes misspelled "klone" or "PClone"). These invariaBly have much more Bang per Buck than the IB PCM they resemBle. E.g. "Unix clone": An operating system designed to deliver a Unix-like environment without Unix licence fees or with additional "mission-critical" features such as support for real-time programming. 2. A cloneBot. [Jargon File] (2000-06-15)