The most common and most likely answer to this crossword clue is the 7 letter word OVERLAY
O
V
E
R
L
A
Y
More clues leading to the result OVERLAY
- Decorate article that’s boring too
- Milton’s span on narrative poem
- Indulge in too much sex, as printers might do?
- Was too prone to apply veneer?
- Cover sweetheart front to back with ‘erbage
- Carpet area wearing excessively
- Covering too much in article — the opposite
- Perhaps throw some balls, then rest
- Covering part of disloyal revolution up
- Covering gets adult in too
Buddy explains!

The straight part
We know that "Cover" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cover = overlay.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 OVERLAY mean?
OVERLAY noun- A piece of paper pasted upon the tympan sheet to improve the impression by making it stronger at a particular place.
- (betting) Odds which are set higher than expected or warranted. Favorable odds.
- A horse going off at higher odds than it appears to warrant, based on its past performances.
- A decal attached to a computer keyboard to relabel the keys.
- A block of program code that is loaded over something previously loaded, so as to replace the functionality.
- A pop-up covering an existing part of the display.
- A cravat.
- To lay, spread, or apply something over or across; cover.
- To overwhelm; to press excessively upon.
- To lie over (someone, especially a child) in order to smother it; to suffocate.
- To put an overlay on.
- To lie over or upon
- To suffocate by lying upon