The most common and most likely answer to this crossword clue is the 6 letter word BEACON
I've seen this crossword clue in The Times
B
E
A
C
O
N
More clues leading to the result BEACON
- Serve time inside lighthouse, maybe?
- To adopt right-wing views is a warning signal
- Signal to act as swindler
- Light eater primarily tucking into cured meat
- Guiding light European inspired by an artist
- Philosopher tours east, warning of danger
- Go to prison? One’s a shining light
- It serves as a warning for meat eating earl
- Guide to live with a cheat
- Husband leaving shore working in lighthouse
Buddy explains!
The straight part
We know that "Guiding light" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case guiding light = beacon.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 BEACON mean?
BEACON noun- A signal fire to notify of the approach of an enemy, or to give any notice, commonly of warning.
- A signal or conspicuous mark erected on an eminence near the shore, or moored in shoal water, as a guide to mariners.
- A high hill or other easily distinguishable object near the shore which can serve as guidance for seafarers.
- That which gives notice of danger, or keeps people on the correct path.
- An electronic device that broadcasts a signal to nearby portable devices, enabling smartphones etc. to perform actions when in physical proximity to the beacon.
- To act as a beacon.
- To give light to, as a beacon; to light up; to illumine.
- To furnish with a beacon or beacons.