A person who travels from place to place mending metal utensils as a way of making a living. The tinker set up his small workshop by the roadside, offering to repair pots and pans for the villagers.
A person who enjoys experimenting with and repairing mechanical devices. As a tinker at heart, she spent her weekends fixing old clocks and radios.
The little tinker managed to sneak into the kitchen and eat all the cookies before dinner.
(offensive) A member of an itinerant people traditionally travelling in Scotland and Ireland; a Gypsy or Irish Traveller. The old law included harsh penalties aimed at tinkers who camped on common land.