This article is about a headmate role. For the relationship between systems, see partner system. companion ( n.)Applies toheadmates A companion is a headmate who keeps the others in the system company.[1][2] References[edit | edit source] ↑ https://sites.google.com/view/plural-terms/headmate-terms/headmate-roles?authuser=0#h.1uql2grpzowp ↑ https://system-dictionary.carrd.co/#mt Categories Terms that may be used as nouns Terms that apply to headmates Terms System Roles Headmate Terms That Relate To Relationships