Crossword Genius

Strangely warm on a ship (3-1-3)

Ross

I believe the answer is:

man-o'-war

'ship' is the definition.
(I've seen this before)

'strangely warm on a' is the wordplay.
'strangely' indicates an anagram.
'warm'+'on'+'a'='warmona'
'warmona' with letters rearranged gives 'MAN-O'-WAR'.

I've seen this clue in The Telegraph.
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