The most common and most likely answer to this crossword clue is the 7 letter word VIADUCT
I've seen this crossword clue in The Times
V
I
A
D
U
C
T
More clues leading to the result VIADUCT
- Support for line I found in European capital mostly — about time
- By way of tube, reaching bridgelike structure
- One struggling to be heard over sound of submerged bridge
- High passage diva is struggling with cut
- Way to cross by tube
- Through channel bridge
- Short film without a rough cut shows way to get over depression
- American four, returning, reportedly steered clear of bridge
- Overpass by the Tube
Buddy explains!
The straight part
We know that "Support for line" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case support for line = viaduct.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 VIADUCT mean?
VIADUCT noun- A bridge with several spans that carries road or rail traffic over a valley or other obstacles.