What's held by athletic Aberdonian may be tossed (5)
I believe the answer is:
caber
'be tossed' is the definition.
I can't judge whether this definition defines the answer.
'what's held by athletic aberdonian may' is the wordplay.
'what's held by' indicates the answer is hidden within the clue.
'CABER' is hidden within 'athletic aberdonian may'.
Can you help me to learn more?
(Other definitions for caber that I've seen before include "Trunk tossed in the Highlands" , "Thrown tree trunk" , "Pole hurled in Highland Games" , "It's tossed in Scotland" , "Brace (anag) - pole" .)