資料來源 : Webster's Revised Unabridged Dictionary (1913)

   5. A situation or opportunity of work; as, he lost his job.
      [Colloq.]

   Note: Job is used adjectively to signify doing jobs, used for
         jobs, or let on hire to do jobs; as, job printer; job
         master; job horse; job wagon, etc.

   {By the job}, at a stipulated sum for the work, or for each
      piece of work done; -- distinguished from time work; as,
      the house was built by the job.

   {Job lot}, a quantity of goods, usually miscellaneous, sold
      out of the regular course of trade, at a certain price for
      the whole; as, these articles were included in a job lot.
      

   {Job master}, one who lest out horses and carriages for hire,
      as for family use. [Eng.]

   {Job printer}, one who does miscellaneous printing, esp.
      circulars, cards, billheads, etc.

   {Odd job}, miscellaneous work of a petty kind; occasional
      work, of various kinds, or for various people.

資料來源 : WordNet®

job lot
     n : a miscellaneous collection of things sold together