n.
Pronunciation: ' bach
Function: noun
Etymology: Middle English bache; akin to Old English bacan to bake
Date: 15th century
1 : the quantity baked at one time : BAKING
2 a : the quantity of material prepared or required for one operation specifically : a mixture of raw materials ready for fusion into glass b : the quantity produced at one operation c : a group of jobs (as programs) that are submitted for processing on a computer and whose results are obtained at a later time < batch processing> ― compare TIME-SHARING
3 : a quantity (as of persons or things) considered as a group