■ noun
1》 an instance of buying or selling.
↘the action of conducting business.
2》 an exchange or interaction between people.
3》 ( ~s ) published reports of proceedings at the meetings of a learned society.
4》 an input message to a computer system dealt with as a single unit of work.
Derivatives
transact verb
~al adjective
~ally adverb
transactor noun
Origin
ME (as a term in Roman Law): from late L. transactio(n-) , from transigere 'drive through'.