Ship's officer (9)
'ship's officer' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for bosun that I've seen before include "An abbreviated boatswain" , "A dimunitive boatswain" , "Officer on board" , "Petty officer on a merchant ship" , "A diminutive boatswain" .)
'ship's officer' is the definition.
(a purser keeps accounts on a ship)
This is all the clue.
(Other definitions for purser that I've seen before include "Ship's officer in charge of accounts" , "Ship's accountant" , "Ship's officer who keeps accounts and looks after passengers" , "Ship's officer attending to the welfare of passengers" , "Ship's officer looking after the passengers" .)
'ship's officer' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for boatswain that I've seen before include "Merchant ship's petty officer" , "sailor" , "Officer on board" , "Warrant officer in charge of a ship's crew" , "In brief, he's a bosun" .)