SS Resolve's shipmates (9)

I believe the answer is:

steamship

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'ss resolve's shipmates' is the definition.
I can't judge whether this definition defines the answer.

'resolve's shipmates' is the wordplay.
'resolve's' is an anagram indicator (I've seen 'resolving' mean this).
'shipmates' with letters rearranged gives 'STEAMSHIP'.

Can you help me to learn more?

(Other definitions for steamship that I've seen before include "Queen Elizabeth, for one?" , "Tramp, say" , "I pass them (anag) - vessel" , "SS in full" , "Vessel with funnels" .)

I've seen this clue in the Sydney Morning Herald.

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