n. colloq. military steel helmet. tinker n. 1 itinerant mender of kettles and pans etc. 2 Scot & Ir. Gypsy. 3 colloq. mischievous person or animal. 4 spell of tinkering.v. 1 (foll. by at, with) work in an amateurish or desultory , way. 2 work as a tinker. [origin unknown]
