1. [noun] The act of conducting or carrying out (business, negotiations, plans).
2. [noun] A deal or business agreement.
3. [noun] An exchange or trade, as of ideas, money, goods, etc.
4. [noun] (finance) The transfer of funds into, out of, or from an account.
5. [noun] (computing) An 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. [noun] (especially in plural) A record of the proceedings of a learned society
7. [noun] The act of transacting within or between groups (as carrying on commercial activities); 'no transactions are possible without him'; 'he has always been honest is his dealings with me'.
