The most common and most likely answer to this crossword clue is the 10 letter word RECEPTACLE
I've seen this crossword clue in Financial Times
R
E
C
E
P
T
A
C
L
E
More clues leading to the result RECEPTACLE
- Container from different place, Crete
- Referring to church with quiet story about candle’s first holder
- Mushroom terrine starter coated with syrup, after top taken off container
- One holding Erdogan’s éclat to be false?
- Erdogan possibly rigging without conclusion of think tank, say
- Clear about covering except missing ten, and a container
- In a receiver, replace T-screws over ends of tape disc
- Accept reel, gaffe and creel, for example
- Wild place with tree containing cold box, maybe
Buddy explains!

The straight part
We know that "box, maybe" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case box, maybe = receptacle.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 RECEPTACLE mean?
RECEPTACLE noun- A container.
- The part of the flower stalk (peduncle or pedicel) to which the floral parts are attached; a thalamus, a torus.
- A structure at the end of a branch of an alga containing conceptacles (reproductive organs).
- An organ that receives and holds a secretion.
- A contact device installed at an outlet for the connection of an attachment plug (typically by receiving the plug's prongs) to supply portable appliances or equipment.