ɑɹˈtɪfəsəɹ ˈɑː(ɹ)tɪzən ˈɑɹtɪzən ɪnˈvɛntɚ ɪnˈvɛntə an enlisted man responsible for the upkeep of small arms and machine guns etc. a skilled worker who practices some trade or handicraft someone who is the first to think of or make something