A competitor in public games in ancient greece; also a muscle which causes specific movement through the process of its own contraction.
7 lettered word
Clue A*O*I**...
365a A tall vase or jar with a detached id or cover (7) P _ T _ _ H _ (I thought the answer was "pitcher but this does not meld with the answer to 32d which must be "Neath" surely?)...