waterboard

verb

wa·​ter·​board ˈwȯ-tər-ˌbȯrd 

ˈwä-

waterboarded; waterboarding; waterboards

transitive verb

: to subject (a person) to an interrogation technique usually regarded as a form of torture in which water is forced into the mouth and nose so as to induce the sensation of drowning : to subject (a person) to waterboarding

Word History

Etymology

derivative of water board "inclined board on which a person is laid while subjected to the technique"

First Known Use

2004, in the meaning defined above