Source : Webster's Revised Unabridged Dictionary (1913)

Batch \Batch\, n. [OE. bache, bacche, fr. AS. bacan to bake; cf.
   G. geb["a]ck and D. baksel. See {Bake}, v. t.]
   1. The quantity of bread baked at one time.

   2. A quantity of anything produced at one operation; a group
      or collection of persons or things of the same kind; as, a
      batch of letters; the next batch of business. ``A new
      batch of Lords.'' --Lady M. W. Montagu.

Source : WordNet®

batch
     n 1: all the loaves of bread baked at the same time
     2: (often followed by `of') a large number or amount or extent;
        "a batch of letters"; "a deal of trouble"; "a lot of
        money"; "he made a mint on the stock market"; "it must
        have cost plenty" [syn: {deal}, {flock}, {good deal}, {great
        deal}, {hatful}, {heap}, {lot}, {mass}, {mess}, {mickle},
        {mint}, {muckle}, {peck}, {pile}, {plenty}, {pot}, {quite
        a little}, {raft}, {sight}, {slew}, {spate}, {stack}, {tidy
        sum}, {wad}, {whole lot}, {whole slew}]
     3: a collection of things or persons to be handled together
        [syn: {clutch}]

batch
     v : batch together; assemble or process as a batch