Crossword Genius

Actors on holiday begin a voyage (4,3)

Ross

I believe the answer is:

cast off

I'm a little stuck... Click here to teach me more about this clue!

'begin a voyage' is the definition.
I can't judge whether this definition defines the answer.

'actors on holiday' is the wordplay.
'actors' becomes 'cast' (group of actors).
'on holiday' becomes 'off' (eg on holiday from work).
'cast'+'off'='CAST-OFF'

Can you help me to learn more?

(Other definitions for cast off that I've seen before include "abandoned" , "Discard" , "When the stage has emptied" , "Eliminate stitches - prepare for sea" , "unwanted garment" .)

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