This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. One skilled in the theory or construction of machines.

n. One skilled in building, using, or repairing machines, or who makes machines or tools.

n. One skilled in mechanics.

n. A machinist.

n. A scientifically trained practitioner.

n. A mechanic.

n. One skilled in the theory or construction of machines; a machinist.

n. One who is skilled in mechanics or in machinery; one who is versed in the principles of machines or of mechanical construction.

n. A mechanic; an artisan.

"The universe for a mechanician is a machine that requires an operator; for chemistry — that fiendish employment of decomposing all things — the world is a gas endowed with the power of movement."

machinist   

statistician    geometrician    zoologist    geographer    cosmographer    agriculturist    etcher    mathematician    physiologist    draughtsman