To tinker is defined as to play around with something, or to try to change or fix it.(verb)
When you play around with the controls on the dishwasher to try to make the dishwasher work better and you end up messing it up, this is an example of a situation where you tinker with the dishwasher.
The definition of a tinker is a person who can make minor repairs, an unskilled worker or a clumsy worker.(noun)
See tinker in Webster's New World College Dictionary
Origin: ME tinkere < ? or akin to tinken, to make a tinkling sound
See tinker in American Heritage Dictionary 4
Origin: Middle English tinkere.
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