Last to leave the ship bemused at panic (7)

I believe the answer is:

captain

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'last to leave the ship' is the definition.
I can't tell whether this definition defines the answer.

'bemused at panic' is the wordplay.
'bemused' indicates anagramming the letters.
'at'+'panic'='atpanic'
'atpanic' is an anagram of 'CAPTAIN'.

Can you help me to learn more?

(Other definitions for captain that I've seen before include "Ship's commander" , "Skipper" , "One traditionally goes down with a sinking ship" , "Chief" , "Head of a ship's crew" .)

I've seen this clue in The Independent.

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