Definitions
1.NounThe act of conducting or carrying out (business, negotiations, plans)."The transaction was made on Friday with the supplier."
2.NounA deal or business agreement. (Can we add an example for this sense?)
3.NounAn exchange or trade, as of ideas, money, goods, etc.; personal interaction."I made the transaction with the vendor as soon as she showed me the pearls."
4.NounThe transfer of funds into, out of, or from an account.
5.NounAn atomic operation; a message, data modification, or other procedure that is guaranteed to perform completely or not at all (e.g. a database transaction).
6.NounA record of the proceedings of a learned society.
7.NounA social interaction.