batch 1 
(băch)
(băch)n.
1. An amount produced at one baking: a batch of cookies.
2. A quantity required for or produced as the result of one operation: made a batch of cookie dough; mixed a batch of cement.
3. A group of persons or things: a batch of tourists; a whole new batch of problems.
4. Computers A set of data or jobs to be processed in a single program run.
tr.v. batched, batch·ing, batch·es
To assemble or process as a batch.
[Middle English bache, probably from Old English *bæcce, from bacan, to bake.]