1. <operating system> Basic Operating System.

2. <tool> A data management system written at DESY and used in some high energy physics programs.

3. <computer programming> The Basic Object System.

(01 Apr 1999)

<zoology> A genus of ruminant quadrupeds, including the wild and domestic cattle, distinguished by a stout body, hollow horns, and a large fold of skin hanging from the neck.

Origin: L, ox, cow.

(01 Mar 1998)