/ ˈtɪŋkə(r); NAmE / noun , verb
■ noun
(in the past) a person who travelled from place to place, selling or repairing things
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IDIOMS
- not give a tinker's cuss
■ verb
[ v ] tinker (with sth) to make small changes to sth in order to repair or improve it, especially in a way that may not be helpful
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WORD ORIGIN
Middle English (first recorded in Anglo-Latin as a surname): of unknown origin.