weaponeer /wɛpəˈnɪə/noun 2verb 1forms 3 noun2 •(US) Someone who makes weapons, especially nuclear weapons.Von Neumann, who believed that mathematics grew best when nourished by ‘a certain contact with the strivings and problems of the world,’ became a great friend of the weaponeers. — 2012 •A member of an aircrew responsible for the weapons. verb1 •To provide with appropriate weaponry for use against the chosen targets. formsweaponeered · weaponeering · weaponeers