Množina: stratagems
ETYM French stratagčme (cf. Spanish estratagema, Italian stratagemma), Latin strategema, Greek, from strategema to be leader of an army; cf. Stratum) + agein to lead. Related to Agent.
1. An artifice or trick in war for deceiving the enemy.
2. In general, artifice; deceptive device; secret plot; evil machination.