What the sea may do to a ship (4)

I believe the answer is:

toss

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'what the sea may do' is the definition.
The definition suggests a singular noun which matches the answer.

'to a ship' is the wordplay.
'a ship' becomes 'SS' (prefix in ship names eg SS Great Britain).
'to'+'ss'='TOSS'

Can you help me to learn more?

(Other definitions for toss that I've seen before include "Flip up into the air - coin or salad" , "Spin of a coin" , "Throw (coin or caber)" , "have a restless night, perhaps" , "Throw carelessly" .)

I've seen this clue in The Irish News.

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