Giving freely, but no more room on the ship by the sound of it (9)

I believe the answer is:

bountiful

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'giving' is the definition.
(I know that giving can be written as bountiful)

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for bountiful that I've seen before include "So-called lady" , "flush with bonus for joining up?" , "Ample or generous (Lady!)" , "liberal" , "Available in large quantities" .)

I've seen this clue in the Sydney Morning Herald.

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