Crossword Genius

Footwear used by firefighters? (5)


I believe the answer is:


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'footwear' is the definition.
(pumps is a kind of footwear)

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for pumps that I've seen before include "Forces liquid to move; light shoes" , "Water-raising devices" , "Moves fluid or gas by pressure or suction" , "Shoes; inflaters" , "Mechanical devices that move fluid or gas" .)

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