Crossword Genius

Their buoyancy is supportive (5)

Ross

I believe the answer is:

rafts

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


I'm afraid I can't explain this answer.

Can you help me to learn more?

(Other definitions for rafts that I've seen before include "Flat floats" , "Flat floating structures" , "Flat, floating platforms" , "Flat boats" .)

I've seen this clue in the Evening Standard.
Want a hint initially instead of a full solution? Install my app