Crossword Genius

Left and right on board vessel (4)

Ross

I believe the answer is:

port

'left' is the definition.
(left side of a ship - opposite of starboard)

'right on board vessel' is the wordplay.
'right' becomes 'r' (common abbreviation).
'on board' is an insertion indicator.
'vessel' becomes 'pot' (pot is a kind of vessel**).
'r' inserted within 'pot' is 'PORT'.

'and' is the link.

(Other definitions for port that I've seen before include "E.g. five [SWANSEA]" , "Drink passed to the left" , "Left, opening, wine" , "Saint John, for one, > left" , "Stanley perhaps" .)

I've seen this clue in The Telegraph.
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