tomahawkPronunciation: /ˈtɒməhɔːk/Definition of tomahawk noun a light axe used as a tool or weapon by American Indians. Australian/NZ a hatchet. verb [with object] strike or cut with or as if with a tomahawk: I took a hammer from the drawer and tomahawked their dollsOrigin: early 17th century: from a Virginia Algonquian languagetomahawk in other Oxford dictionaries Definition of tomahawk in the US English dictionary