The most common and most likely answer to this crossword clue is the 3 letter word SOS
S
O
S
More clues leading to the result SOS
Buddy explains!
The straight part
We know that "What’s sent intermittently as Morse?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case what’s sent intermittently as morse? = sos.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 SOS mean?
SOS noun- A syllable used in solfège to represent the fifth note of a major scale.