From Longman Dictionary of Contemporary Englishbotbot /bɒt $ bɑːt/ noun [countable] technical a computer program that performs the same operation many times in a row, for example one that searches for information on the Internet as part of a search engineFrom Longman Business Dictionarybotbot /bɒtbɑːt/ noun [countable] informal COMPUTING a computer program that continuously performs the same operation many times, for example searching for information on the Internet → shopping bot