|a sequence of machines, tools, operations, workers, etc, in a factory, arranged so that at each stage a further process is carried out|
|a stew of meat, vegetables, potatoes, etc.|
|a fool or simpleton; ninny.|
A line of factory workers and equipment along which a product being assembled passes consecutively from operation to operation until completed.
Note: Assembly lines are found in many industries but are particularly associated with automobile manufacturing.