The most common and most likely answer to this crossword clue is the 1 letter word C
I've seen this crossword clue in The Guardian
C
More clues leading to the result C
- English duke resident in central section of Sichuan, its capital
- Fantastic cosplay as character from Odyssey
- Literary family wrestling with clue about unknown twins
- Fighting words in Chirac’s resignation statement?
- Repressive president makes sign, bringing the end a long way forward
- Artist at Green Gables, perhaps, wasting hours?
- Paint entrance for speaker in French department
- C
- C is for clot
- 7 EXCITED/ATROPOS
Buddy explains!

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 C mean?
C adverb- Abbreviation of circa.
- The middle tone in either one of the sets of seven white keys on a keyboard or a set of seven strings on a stringed instrument.
- (stative) To perceive or detect with the eyes, or as if by sight.
- To form a mental picture of.
- (social) To meet, to visit.
- To be the setting or time of.
- (by extension) To ensure that something happens, especially while witnessing it.
- To wait upon; attend, escort.
- To respond to another player's bet with a bet of equal value.
- To determine by trial or experiment; to find out (if or whether).
- (used in the imperative) To reference or to study for further details.
- To examine something closely, or to utilize something, often as a temporary alternative.
- To include as one of something's experiences.