- 1a number of people or things that are dealt with as a group Each summer a new batch of students tries to find work. He worked his way through the batch of letters on his desk. We deliver the goods in batches.
- 2an amount of food, medicine, etc. produced at one time a batch of cookies loaves of bread baked in batches of 20 It is necessary to make new batches of flu vaccine whenever a different, virulent strain of flu makes an appearance.
- 3(computing) a set of jobs that are processed together on a computer to process a batch job a batch file/program