locoman noun2 •(old-fashioned) Someone who works on a locomotive.The evidence which I propose to give will deal with safety and health questions concerning all grades of enginemen, boilermen, and locomen […] — 1937 •(historical) A person in Suriname thought to be a clairvoyant or a sorcerer.Locomen, prophets who claim clairvoyance, tossed animal bones from magical gourds, reading the scattered patterns to gain a glimpse into tomorrow. — 2005 formslocomen