The most common and most likely answer to this crossword clue is the 6 letter word HOPPER
I've seen this crossword clue in Independent
H
O
P
P
E
R
More clues leading to the result HOPPER
- American painter with only one good leg?
- Helicopter heading off, one making short trip?
- Axe decapitated insect
- One purchasing second discounted jumper
- One aspiring to get extra power for feeder
- One-legged agricultural machine?
- One buys second discounted jumper
- T who’s jumping on one foot
- Storage bin, one missing a peg?
- It carries food for an animal — flea, maybe?
Buddy explains!

The straight part
We know that "feeder" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case feeder = hopper.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 HOPPER mean?
HOPPER noun- One who or that which hops.
- A temporary storage bin, filled from the top and emptied from the bottom, often funnel-shaped.
- A funnel-shaped section at the top of a drainpipe used to collect water, from above, from one or more smaller drainpipes.
- A device that feeds material into a machine.
- Various insects
- An artificial fishing lure.
- A toilet.
- An escapement lever in a piano.
- The game of hopscotch.
- A window with hinges at the bottom, opened by tilting vertically.
- A hopper car.
- A fairy chess piece which moves only by jumping over another piece.
- A person or machine that picks hops.
- A Sri Lankan food made from a fermented batter of rice flour, coconut milk, and palm toddy or yeast.