The most common and most likely answer to this crossword clue is the 7 letter word MARQUEE
I've seen this crossword clue in The Daily Telegraph
M
A
R
Q
U
E
E
More clues leading to the result MARQUEE
- Brand of motor ending in remote display area
- Damage most of camping man’s tent
- Quebec caught by helluva do covering for hotel visitors there
- Brand start of event in large tent
- Damage what sounds like guide’s tent
- Horse around what in Spain is a tent
- Damage most of monarch’s tent
- Brand new interior for birthplace of 21 on 12 July 1962
- Brand of car close to notable entertainment venue?
- Do damage to what sounds like main tent
Buddy explains!

The straight part
We know that "a tent" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case a tent = marquee.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 MARQUEE mean?
MARQUEE noun- A large tent with open sides, used for outdoors entertainment.
- A projecting canopy over an entrance, especially one with a sign that displays the name of the establishment or other information of it.
- (by generalization) Lights that turn on and off in sequence, or scrolling text, as these are common elements on a marquee.
- A banner on a web page displaying text that scrolls horizontally.
- In graphical editing software, a special selection tool, used to highlight a portion of an image.
- To select (an object or region) with the marquee selection tool.
- Most famous; preeminent.