The most common and most likely answer to this crossword clue is the 7 letter word DISCARD
I've seen this crossword clue in The Guardian
D
I
S
C
A
R
D
More clues leading to the result DISCARD
- Shed was adequate for storing small wheels
- Drop accomplished without a sign of damage
- Drop mark? Managed to keep it
- Reject conflict with first of appeals for love
- Abandon police officer’s vehicle close to field
- One got rid of blemish, managed to hide it
- Drop mark, having cheated to secure it
- Policemen reportedly removed seeds of conflict
- Get rid of one blemish between successive days
- Finished holding mark of injury in scrap
Buddy explains!

The straight part
We know that "Drop/Drop" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case drop/drop = discard.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 DISCARD mean?
DISCARD noun- Anything discarded.
- A discarded playing card in a card game.
- A temporary variable used to receive a value of no importance and unable to be read later.
- To throw away, to reject.
- To make a discard; to throw out a card.
- To dismiss from employment, confidence, or favour; to discharge.