Funnel is one that moves in small jumps?

I believe the answer is:

hopper

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'funnel' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

(Other definitions for hopper that I've seen before include "railway truck" , "Container, jumper" , "Insect that jumps, maybe on grass" , "Large funnel-shaped receptacle" , "Jumper on one foot" .)

I've seen this clue in The Irish Independent.

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