Noun
Agent noun of tinker; one who tinkers with things.
A meddler.
Source: en.wiktionary.orgEvolution is a tinkerer. Francois Jacob
Tinkering is something we need to know how to do in order to keep something like the space station running. I am a tinkerer by nature. Leroy Chiao
A gifted inventor and tinkerer, he has wired the old ghost town in the valley below so that he can make it come alive at night with lights and sounds as if it were still inhabited. Source: Internet
A writer, licensed engineer, author (of Backyard Ballastics and other titles), inveterate tinkerer and super-charged inventor, he has been researching and building model catapults and ballistic devices for more than 30 years. Source: Internet
As used here, Johannes Factotum ("Jack of all trades") refers to a second-rate tinkerer with the work of others, rather than the more common "universal genius". Source: Internet
He told her about Phin being the Tinkerer and how Harlem was in danger. Source: Internet