Mid"dle*man (?), n.; pl. Middlemen (&?;).

1. An agent between two parties; a broker; a go-between; any dealer between the producer and the consumer; in Ireland, one who takes land of the proprietors in large tracts, and then rents it out in small portions to the peasantry.

2. A person of intermediate rank; a commoner.

3. (Mil.) The man who occupies a central position in a file of soldiers.

• an intermediary between two parties
  
• a dealer, an intermediate between the manufacturer and the retailer or customer