Verb
(idiomatic) To execute, especially by using a sword.
Synonyms: cut down, put down, hack, strike down
(idiomatic) To severely defeat.
(idiomatic) To kill by warfare.
Source: en.wiktionary.orgAs in Tyre, men of military age were put to the sword and the women and children were sold into slavery. Source: Internet
Being expelled from his See by the Arian emperor Constantius for defending the Catholic faith, and being put to the sword privately at Cera in Tuscany, he died gloriously. Source: Internet
Cromwell himself said of the slaughter at Drogheda in his first letter back to the Council of State: "I believe we put to the sword the whole number of the defendants. Source: Internet