noun /ˈtʊənəmɛnt|/ˈtɔːnəmɛnt,ˈtɜːnəmɛnt,ˈtʊɹnəmɛnt,ˈtɝnəmɛnt,ˈtɔɹnəmɛnt/
a) During the Middle Ages, a series of battles and other contests designed to prepare knights for war.
b) A series of games; either the same game played many times, or a succession of games related by a single theme; played competitively to determine a single winning team or individual.
Wikipedia foundation.