Bos n 1: wild and domestic cattle; in some classifications placed in the subfamily Bovinae or tribe Bovini [syn: {Bos}, {genus Bos}]
Bos \Bos\, prop. n. [L., ox, cow.] (Zool.) 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. [1913 Webster]
BOS 1. <operating system> {Basic Operating System}. 2. <tool> A data management system written at {DESY} and used in some high energy physics programs. 3. <programming> The {Basic Object System}. (1999-01-20)
BOS Basic Operating System (AIX, IBM)
BOS Batch Operating System (OS, Honeywell)