1. Negotiation accompanied by mutual concessions and shrewd bargaining
   "The budget agreement was reached after intense horse trading between the parties"
    
2. The swapping of horses (accompanied by much bargaining)
   "In the Old West, horse trading was a common practice at county fairs";
   - horse trade

1. Negotiate with much give and take
   "The senators horse-traded late into the night to reach a compromise"

Type of: barter, dialogue, negotiate, negotiation, swap, swop, talk terms, talks, trade

Encyclopedia: Horse trading