gnu definition by Webster's New World
gnu definition by American Heritage Dictionary
Origin: Probably from Dutch gnoe, from Xhosa i-ngu, white-tailed gnu, from San !nu, black wildebeest.
gnu - Computer Definition
(GNU's Not Unix) A Unix-like operating system developed by the free software movement starting in 1984. In 1992, the almost-complete GNU system was combined with the Linux kernel, producing the GNU/Linux system. The GNU Project developed many of the core programs in GNU, but also included available free software such as the X Window System and TeX. See GNU Project, GNU/Linux, Free Software Foundation, free software and Linux.
Variant of gnu