Cryptic crossword clue
Mechanical device — power is coming with great speed 6

The most common and most likely answer to this crossword clue is the 6 letter word PISTON

I've seen this crossword clue in The Daily Telegraph
P
I
S
T
O
N


Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.
This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.

What does PISTON mean?

PISTON noun
  1. A solid disk or cylinder that fits inside a hollow cylinder, and moves under pressure (as in an engine) or displaces fluid (as in a pump)
  2. A valve device in some brass instruments for changing the pitch
PISTON verb
  1. To move up and down like a piston.

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